What It Is
Backed by Science.
Built for You.
Backed by Science. Built for You.
Every ingredient at Quit Kit is selected with intention and backed by published research. This page takes you inside the formula so you can understand how each component supports and eases your recovery.
Every ingredient at Quit Kit is selected with intention and backed by published research. This page takes you inside the formula so you can understand how each component supports and eases your recovery.
Quit Kit Morning Blend
Title
-
L-Dopa
-
N-Acetyl Cysteine
-
Vitamin B-Complex
-
Pre & Probiotics
-
Vitamin C
L-Dopa (from Mucuna Pruriens) is a naturally occurring amino acid that the brain converts directly into dopamine. It is sourced from Mucuna Pruriens, a tropical legume known for its unusually high concentration of natural L-Dopa. Mucuna Pruriens has been studied for its effects on mood, movement, and motivation because of this rich dopamine precursor content.
How It Helps
During withdrawal, dopamine levels often drop, which can lead to low motivation, fatigue, and difficulty feeling normal pleasure. L-Dopa helps replenish dopamine production at the source by giving the brain the raw material it needs to rebuild this pathway. As dopamine levels stabilize, users often experience improved energy, better motivation, and a more balanced emotional state.
Supporting Studies
- Bekhbat, Mandakh, et al. “Functional Connectivity in Reward Circuitry and Symptoms of Anhedonia as Therapeutic Targets in Depression with High Inflammation: Evidence from a Dopamine Challenge Study.” Molecular Psychiatry, 4 Aug. 2022, https://doi.org/10.1038/s41380-022-01715-3.
- Farero, Ryan D., et al. “Levodopa Reduces Consumption of Multiple Classes of Addictive Substances in Rats.” BioRxIV, 15 Dec. 2023, pmc.ncbi.nlm.nih.gov/articles/PMC10760127/, https://doi.org/10.1101/2023.12.14.570833.
- Destoop, Marianne, et al. “Addiction, Anhedonia, and Comorbid Mood Disorder. A Narrative Review.” Frontiers in Psychiatry, vol. 10, no. 10, 22 May 2019, https://doi.org/10.3389/fpsyt.2019.00311.
What It Is
N-Acetyl Cysteine (NAC) is a stable, bioavailable form of the amino acid cysteine and a key precursor to glutathione, the body's primary antioxidant. It is used in clinical research for its detoxifying effects and for its ability to regulate glutamate, a neurotransmitter involved in stress, cravings, and cognitive function. Because of these properties, NAC is often used to support both metabolic recovery and mental clarity.
How It Helps
N-Acetyl Cysteine (NAC) plays a unique role during withdrawal by helping stabilize the brain’s chemistry while your body recalibrates. It works by regulating glutamate, one of the key neurotransmitters involved in cravings and compulsive behavior, which can help take the edge off urges that tend to spike when you stop. At the same time, NAC supports the production of glutathione, your body’s master antioxidant, helping reduce oxidative stress and support overall recovery. The result is a steadier mental state with less brain fog, fewer intense cravings, and a smoother transition as your system returns to baseline.
Supporting Studies
- Chang, Chung-Ting, et al. “Effectiveness of N-Acetylcysteine in Treating Clinical Symptoms of Substance Abuse and Dependence: A Meta-Analysis of Randomized Controlled Trials.” Clinical Psychopharmacology and Neuroscience, vol. 19, no. 2, 31 May 2021, pp. 282–293, https://doi.org/10.9758/cpn.2021.19.2.282.
- Smaga, Irena, et al. “N-Acetylcysteine in Substance Use Disorder: A Lesson from Preclinical and Clinical Research.” Pharmacological Reports, vol. 73, no. 5, 6 June 2021, pp. 1205–1219, https://doi.org/10.1007/s43440-021-00283-7.
- Tomko, Rachel L, et al. “N-Acetylcysteine: A Potential Treatment for Substance Use Disorders.” Current Psychiatry, vol. 17, no. 6, June 2018, p. 30, pmc.ncbi.nlm.nih.gov/articles/PMC5993450/.
What It Is
Vitamin B Complex is a group of essential water soluble vitamins that play central roles in energy production, nervous system function, neurotransmitter synthesis, and cellular metabolism. These vitamins are depleted quickly during periods of stress, poor sleep, and heavy substance use. Replenishing them supports healthier brain function and smoother metabolic activity throughout the day.
How It Helps
B vitamins help kick start energy production by supporting the conversion of food into usable cellular energy. They also fuel the synthesis of key neurotransmitters involved in mood, focus, and motivation, all of which tend to run low during withdrawal. By restoring these pathways early in the day, B Complex helps reduce fatigue, improve mental steadiness, and give the body the metabolic support it needs to function normally again.
Supporting Studies
- PETERS, T. J., et al. “TREATMENT of ALCOHOLIC POLYNEUROPATHY with VITAMIN B COMPLEX: A RANDOMISED CONTROLLED TRIAL.” Alcohol and Alcoholism, vol. 41, no. 6, 21 Aug. 2006, pp. 636–642, https://doi.org/10.1093/alcalc/agl058.
- Tardy, Anne-Laure, et al. “Vitamins and Minerals for Energy, Fatigue and Cognition: A Narrative Review of the Biochemical and Clinical Evidence.” Nutrients, vol. 12, no. 1, 16 Jan. 2020, p. 228, pmc.ncbi.nlm.nih.gov/articles/PMC7019700/, https://doi.org/10.3390/nu12010228
- Moshiri, Mohamad, et al. “The Effects of Vitamin B12 on the Brain Damages Caused by Methamphetamine in Mice.” Iranian Journal of Basic Medical Sciences, vol. 21, no. 4, Apr. 2018, pp. 434–438, doi.org/10.22038%2FIJBMS.2018.23362.5897, https://doi.org/10.22038/ijbms.2018.23362.5897.
What It Is
Prebiotics are specialized plant fibers that feed beneficial bacteria in the gut, while probiotics are live microorganisms that help restore a healthy gut microbiome. Together, they support digestion, nutrient absorption, immune function, and the production of neurotransmitters like serotonin and dopamine. Because the gut and brain communicate constantly, a balanced microbiome plays a major role in mood, stress regulation, and overall recovery.
How It Helps
Pre and probiotics help reset the gut environment after long periods of physical stress and disrupted digestion. A healthier gut supports smoother energy production, better nutrient absorption, and more stable mood throughout the day. By improving serotonin and dopamine signaling from the gut, they help reduce withdrawal related irritability and support a clearer, more grounded start to the morning.
Supporting Studies
- Góralczyk-Bińkowska, Aleksandra, et al. “The Microbiota–Gut–Brain Axis in Psychiatric Disorders.” International Journal of Molecular Sciences, vol. 23, no. 19, 24 Sept. 2022, p. 11245, www.ncbi.nlm.nih.gov/pmc/articles/PMC9570195/, https://doi.org/10.3390/ijms231911245.
- Ansari, Fereshteh, et al. “The Role of Probiotics and Prebiotics in Modulating of the Gut-Brain Axis.” Frontiers in Nutrition, vol. 10, 26 July 2023, https://doi.org/10.3389/fnut.2023.1173660.
- Liu, Lu, and Gang Zhu. “Gut–Brain Axis and Mood Disorder.” Frontiers in Psychiatry, vol. 9, 29 May 2018, https://doi.org/10.3389/fpsyt.2018.00223.
What It Is
Vitamin C is a powerful antioxidant that supports immune function, tissue repair, and cellular defense against oxidative stress. It plays a key role in maintaining healthy adrenal glands, which regulate stress hormones. Vitamin C is also involved in the synthesis of neurotransmitters, including those that influence mood, focus, and motivation.
How It Helps
Vitamin C helps counter the oxidative strain that builds up from long term substance use and the early stages of withdrawal. By supporting the adrenal system, it promotes steadier energy and helps regulate the stress response that often spikes in the morning. Its antioxidant effects also assist in stabilizing mood and supporting the body’s natural recovery processes throughout the day.
Supporting Studies
- Khanna, Navin, and Shail K Sharma. “Megadoses of Vitamin C Prevent the Development of Tolerance and Physical Dependence on Morphine in Mice.” Life Sciences, vol. 33, no. 33, 1 Jan. 1983, pp. 401–404, https://doi.org/10.1016/0024-3205(83)90527-1.
- Zelfand, Erica. “Vitamin C, Pain and Opioid Use Disorder.” Integrative Medicine: A Clinician’s Journal, vol. 19, no. 3, June 2020, p. 18, pmc.ncbi.nlm.nih.gov/articles/PMC7572147/.
- Evangelou, A., et al. “Ascorbic Acid (Vitamin C) Effects on Withdrawal Syndrome of Heroin Abusers.” In Vivo (Athens, Greece), vol. 14, no. 2, 1 Mar. 2000, pp. 363–366, pubmed.ncbi.nlm.nih.gov/10836211/.
Quit Kit Morning Blend
Title
-
L-Dopa
-
N-Acetyl Cyseine
-
Vitamin B-Complex
-
Pre & Probiotics
-
Vitamin C
What It Is
L-Dopa (from Mucuna Pruriens) is a naturally occurring amino acid that the brain converts directly into dopamine. It is sourced from Mucuna Pruriens, a tropical legume known for its unusually high concentration of natural L-Dopa. Mucuna Pruriens has been studied for its effects on mood, movement, and motivation because of this rich dopamine precursor content.
How It Helps
During withdrawal, dopamine levels often drop, which can lead to low motivation, fatigue, and difficulty feeling normal pleasure. L-Dopa helps replenish dopamine production at the source by giving the brain the raw material it needs to rebuild this pathway. As dopamine levels stabilize, users often experience improved energy, better motivation, and a more balanced emotional state.
Supporting Studies
- Bekhbat, Mandakh, et al. “Functional Connectivity in Reward Circuitry and Symptoms of Anhedonia as Therapeutic Targets in Depression with High Inflammation: Evidence from a Dopamine Challenge Study.” Molecular Psychiatry, 4 Aug. 2022, https://doi.org/10.1038/s41380-022-01715-3.
- Farero, Ryan D., et al. “Levodopa Reduces Consumption of Multiple Classes of Addictive Substances in Rats.” BioRxIV, 15 Dec. 2023, pmc.ncbi.nlm.nih.gov/articles/PMC10760127/, https://doi.org/10.1101/2023.12.14.570833.
- Destoop, Marianne, et al. “Addiction, Anhedonia, and Comorbid Mood Disorder. A Narrative Review.” Frontiers in Psychiatry, vol. 10, no. 10, 22 May 2019, https://doi.org/10.3389/fpsyt.2019.00311.
What It Is
N-Acetyl Cysteine (NAC) is a stable, bioavailable form of the amino acid cysteine and a key precursor to glutathione, the body's primary antioxidant. It is used in clinical research for its detoxifying effects and for its ability to regulate glutamate, a neurotransmitter involved in stress, cravings, and cognitive function. Because of these properties, NAC is often used to support both metabolic recovery and mental clarity.
How It Helps
N-Acetyl Cysteine (NAC) plays a unique role during withdrawal by helping stabilize the brain’s chemistry while your body recalibrates. It works by regulating glutamate, one of the key neurotransmitters involved in cravings and compulsive behavior, which can help take the edge off urges that tend to spike when you stop. At the same time, NAC supports the production of glutathione, your body’s master antioxidant, helping reduce oxidative stress and support overall recovery. The result is a steadier mental state with less brain fog, fewer intense cravings, and a smoother transition as your system returns to baseline.
Supporting Studies
- Chang, Chung-Ting, et al. “Effectiveness of N-Acetylcysteine in Treating Clinical Symptoms of Substance Abuse and Dependence: A Meta-Analysis of Randomized Controlled Trials.” Clinical Psychopharmacology and Neuroscience, vol. 19, no. 2, 31 May 2021, pp. 282–293, https://doi.org/10.9758/cpn.2021.19.2.282.
- Smaga, Irena, et al. “N-Acetylcysteine in Substance Use Disorder: A Lesson from Preclinical and Clinical Research.” Pharmacological Reports, vol. 73, no. 5, 6 June 2021, pp. 1205–1219, https://doi.org/10.1007/s43440-021-00283-7.
- Tomko, Rachel L, et al. “N-Acetylcysteine: A Potential Treatment for Substance Use Disorders.” Current Psychiatry, vol. 17, no. 6, June 2018, p. 30, pmc.ncbi.nlm.nih.gov/articles/PMC5993450/.
What It Is
Vitamin B Complex is a group of essential water soluble vitamins that play central roles in energy production, nervous system function, neurotransmitter synthesis, and cellular metabolism. These vitamins are depleted quickly during periods of stress, poor sleep, and heavy substance use. Replenishing them supports healthier brain function and smoother metabolic activity throughout the day.
How It Helps
B vitamins help kick start energy production by supporting the conversion of food into usable cellular energy. They also fuel the synthesis of key neurotransmitters involved in mood, focus, and motivation, all of which tend to run low during withdrawal. By restoring these pathways early in the day, B Complex helps reduce fatigue, improve mental steadiness, and give the body the metabolic support it needs to function normally again.
Supporting Studies
- PETERS, T. J., et al. “TREATMENT of ALCOHOLIC POLYNEUROPATHY with VITAMIN B COMPLEX: A RANDOMISED CONTROLLED TRIAL.” Alcohol and Alcoholism, vol. 41, no. 6, 21 Aug. 2006, pp. 636–642, https://doi.org/10.1093/alcalc/agl058.
- Tardy, Anne-Laure, et al. “Vitamins and Minerals for Energy, Fatigue and Cognition: A Narrative Review of the Biochemical and Clinical Evidence.” Nutrients, vol. 12, no. 1, 16 Jan. 2020, p. 228, pmc.ncbi.nlm.nih.gov/articles/PMC7019700/, https://doi.org/10.3390/nu12010228
- Moshiri, Mohamad, et al. “The Effects of Vitamin B12 on the Brain Damages Caused by Methamphetamine in Mice.” Iranian Journal of Basic Medical Sciences, vol. 21, no. 4, Apr. 2018, pp. 434–438, doi.org/10.22038%2FIJBMS.2018.23362.5897, https://doi.org/10.22038/ijbms.2018.23362.5897.
What It Is
Prebiotics are specialized plant fibers that feed beneficial bacteria in the gut, while probiotics are live microorganisms that help restore a healthy gut microbiome. Together, they support digestion, nutrient absorption, immune function, and the production of neurotransmitters like serotonin and dopamine. Because the gut and brain communicate constantly, a balanced microbiome plays a major role in mood, stress regulation, and overall recovery.
How It Helps
Pre and probiotics help reset the gut environment after long periods of physical stress and disrupted digestion. A healthier gut supports smoother energy production, better nutrient absorption, and more stable mood throughout the day. By improving serotonin and dopamine signaling from the gut, they help reduce withdrawal related irritability and support a clearer, more grounded start to the morning.
Supporting Studies
- Góralczyk-Bińkowska, Aleksandra, et al. “The Microbiota–Gut–Brain Axis in Psychiatric Disorders.” International Journal of Molecular Sciences, vol. 23, no. 19, 24 Sept. 2022, p. 11245, www.ncbi.nlm.nih.gov/pmc/articles/PMC9570195/, https://doi.org/10.3390/ijms231911245.
- Ansari, Fereshteh, et al. “The Role of Probiotics and Prebiotics in Modulating of the Gut-Brain Axis.” Frontiers in Nutrition, vol. 10, 26 July 2023, https://doi.org/10.3389/fnut.2023.1173660.
- Liu, Lu, and Gang Zhu. “Gut–Brain Axis and Mood Disorder.” Frontiers in Psychiatry, vol. 9, 29 May 2018, https://doi.org/10.3389/fpsyt.2018.00223.
What It Is
Vitamin C is a powerful antioxidant that supports immune function, tissue repair, and cellular defense against oxidative stress. It plays a key role in maintaining healthy adrenal glands, which regulate stress hormones. Vitamin C is also involved in the synthesis of neurotransmitters, including those that influence mood, focus, and motivation.
How It Helps
Vitamin C helps counter the oxidative strain that builds up from long term substance use and the early stages of withdrawal. By supporting the adrenal system, it promotes steadier energy and helps regulate the stress response that often spikes in the morning. Its antioxidant effects also assist in stabilizing mood and supporting the body’s natural recovery processes throughout the day.
Supporting Studies
- Khanna, Navin, and Shail K Sharma. “Megadoses of Vitamin C Prevent the Development of Tolerance and Physical Dependence on Morphine in Mice.” Life Sciences, vol. 33, no. 33, 1 Jan. 1983, pp. 401–404, https://doi.org/10.1016/0024-3205(83)90527-1.
- Zelfand, Erica. “Vitamin C, Pain and Opioid Use Disorder.” Integrative Medicine: A Clinician’s Journal, vol. 19, no. 3, June 2020, p. 18, pmc.ncbi.nlm.nih.gov/articles/PMC7572147/.
- Evangelou, A., et al. “Ascorbic Acid (Vitamin C) Effects on Withdrawal Syndrome of Heroin Abusers.” In Vivo (Athens, Greece), vol. 14, no. 2, 1 Mar. 2000, pp. 363–366, pubmed.ncbi.nlm.nih.gov/10836211/.
Quit Kit Afternoon Blend
Title
-
L-Tyrosine
-
L-Theanine
-
Ashwagandha
-
N-Acetyl Cysteine
-
Vitamin C
What It Is
L-Tyrosine is an amino acid that serves as a precursor to several key neurotransmitters, including dopamine, norepinephrine, and epinephrine. These chemicals are responsible for alertness, focus, motivation, and stress resilience. Because these pathways become depleted during periods of heavy substance use and withdrawal, tyrosine plays an important role in restoring normal cognitive and emotional function.
How It Helps
In the afternoon dose, L-Tyrosine helps replenish neurotransmitters that naturally dip as the day goes on, which can trigger cravings, irritability, or mental fatigue. By supporting dopamine and norepinephrine production, it promotes clearer thinking and steadier focus during the difficult afternoon window when many people experience a motivational crash. This makes it easier to stay mentally sharp and emotionally stable as the day continues.
Supporting Studies
- Deijen, J.B, et al. “Tyrosine Improves Cognitive Performance and Reduces Blood Pressure in Cadets after One Week of a Combat Training Course.” Brain Research Bulletin, vol. 48, no. 2, Jan. 1999, pp. 203–209, https://doi.org/10.1016/s0361-9230(98)00163-4.
- Blum, Kenneth, et al. “Reward Deficiency Syndrome (RDS): A Cytoarchitectural Common Neurobiological Trait of All Addictions.” International Journal of Environmental Research and Public Health, vol. 18, no. 21, 2 Nov. 2021, p. 11529, https://doi.org/10.3390/ijerph182111529.
- Banderet, Louis E., and Harris R. Lieberman. “Treatment with Tyrosine, a Neurotransmitter Precursor, Reduces Environmental Stress in Humans.” Brain Research Bulletin, vol. 22, no. 4, Apr. 1989, pp. 759–762, https://doi.org/10.1016/0361-9230(89)90096-8.
What It Is
L-Theanine is an amino acid naturally found in green tea that is known for promoting relaxation without sedation. It increases alpha brain wave activity, which is associated with calm focus and mental clarity. L-Theanine also influences neurotransmitters like GABA, serotonin, and dopamine, helping the brain maintain a balanced and steady state.
How It Helps
In the afternoon dose, L-Theanine helps smooth out the stress and anxiety that typically build later in the day during withdrawal. By calming the nervous system while preserving alertness, it reduces the mental tension that often triggers cravings or restlessness. This creates a more relaxed but focused state of mind, making it easier to stay steady through the afternoon.
Supporting Studies
- Kimura, Kenta, et al. “L-Theanine Reduces Psychological and Physiological Stress Responses.” Biological Psychology, vol. 74, no. 1, Jan. 2007, pp. 39–45, https://doi.org/10.1016/j.biopsycho.2006.06.006.
- Juneja, L. “L-Theanine—a Unique Amino Acid of Green Tea and Its Relaxation Effect in Humans.” Trends in Food Science & Technology, vol. 10, no. 6-7, June 1999, pp. 199–204, www.sciencedirect.com/science/article/abs/pii/S0924224499000448, https://doi.org/10.1016/s0924-2244(99)00044-8.
- Wise, Laura E., et al. “L-Theanine Attenuates Abstinence Signs in Morphine-Dependent Rhesus Monkeys and Elicits Anxiolytic-like Activity in Mice.” Pharmacology Biochemistry and Behavior, vol. 103, no. 2, Dec. 2012, pp. 245–252, https://doi.org/10.1016/j.pbb.2012.08.008.
What It Is
Ashwagandha is an adaptogenic herb that has been used for centuries to support stress resilience and hormonal balance. Adaptogens help the body maintain stability during physical and psychological stress by regulating the hypothalamic pituitary adrenal axis. Ashwagandha is especially known for its ability to lower cortisol, the primary stress hormone.
How It Helps
In the afternoon dose, Ashwagandha helps counter the spike in stress and irritability that often appears later in the day during withdrawal. By regulating cortisol, it reduces anxiety, emotional reactivity, and that wired but tired feeling that can lead to cravings. This helps promote a calmer, steadier state so the rest of the day feels more manageable.
Supporting Studies
- Kasture, Sanjay, et al. “Withania Somnifera Prevents Morphine Withdrawal-Induced Decrease in Spine Density in Nucleus Accumbens Shell of Rats: A Confocal Laser Scanning Microscopy Study.” Neurotoxicity Research, vol. 16, no. 4, 24 June 2009, pp. 343–355, https://doi.org/10.1007/s12640-009-9069-2.
- Lopresti, Adrian L, et al. “An Investigation into the Stress-Relieving and Pharmacological Actions of an Ashwagandha (Withania Somnifera) Extract: A Randomized, Double-Blind, Placebo-Controlled Study.” Medicine, vol. 98, no. 37, Sept. 2019, p. e17186, www.ncbi.nlm.nih.gov/pubmed/31517876, https://doi.org/10.1097/MD.0000000000017186.
- Salve, Jaysing, et al. “Adaptogenic and Anxiolytic Effects of Ashwagandha Root Extract in Healthy Adults: A Double-Blind, Randomized, Placebo-Controlled Clinical Study.” Cureus, vol. 11, no. 12, 25 Dec. 2019, www.ncbi.nlm.nih.gov/pmc/articles/PMC6979308/, https://doi.org/10.7759/cureus.6466.
What It Is
N-Acetyl Cysteine (NAC) is a stable, bioavailable form of the amino acid cysteine and a key precursor to glutathione, the body's primary antioxidant. It is used in clinical research for its detoxifying effects and for its ability to regulate glutamate, a neurotransmitter involved in stress, cravings, and cognitive function. Because of these properties, NAC is often used to support both metabolic recovery and mental clarity.
How It Helps
NAC helps calm the brain systems that drive cravings and emotional volatility as the day wears on. By stabilizing glutamate signaling, it reduces the mental noise and agitation that often peak in the afternoon during withdrawal. Its antioxidant effects also support clearer thinking and a steadier mood, making it easier to stay grounded through the toughest part of the day.
Supporting Studies
- Chang, Chung-Ting, et al. “Effectiveness of N-Acetylcysteine in Treating Clinical Symptoms of Substance Abuse and Dependence: A Meta-Analysis of Randomized Controlled Trials.” Clinical Psychopharmacology and Neuroscience, vol. 19, no. 2, 31 May 2021, pp. 282–293, https://doi.org/10.9758/cpn.2021.19.2.282.
- Smaga, Irena, et al. “N-Acetylcysteine in Substance Use Disorder: A Lesson from Preclinical and Clinical Research.” Pharmacological Reports, vol. 73, no. 5, 6 June 2021, pp. 1205–1219, https://doi.org/10.1007/s43440-021-00283-7.
- Tomko, Rachel L, et al. “N-Acetylcysteine: A Potential Treatment for Substance Use Disorders.” Current Psychiatry, vol. 17, no. 6, June 2018, p. 30, pmc.ncbi.nlm.nih.gov/articles/PMC5993450/.
What It Is
Vitamin C is a powerful antioxidant that supports immune function, tissue repair, and cellular defense against oxidative stress. It plays a key role in maintaining healthy adrenal glands, which regulate stress hormones. Vitamin C is also involved in the synthesis of neurotransmitters, including those that influence mood, focus, and motivation.
How It Helps
In the Afternoon Blend, Vitamin C helps counter the buildup of oxidative stress that accumulates throughout the day during withdrawal. By supporting the adrenal system, it helps moderate afternoon stress spikes and keeps energy levels steadier. Its antioxidant effects also contribute to clearer thinking and a more stable mood when many people feel their motivation dip.
Supporting Studies
- Khanna, Navin, and Shail K Sharma. “Megadoses of Vitamin C Prevent the Development of Tolerance and Physical Dependence on Morphine in Mice.” Life Sciences, vol. 33, no. 33, 1 Jan. 1983, pp. 401–404, https://doi.org/10.1016/0024-3205(83)90527-1.
- Zelfand, Erica. “Vitamin C, Pain and Opioid Use Disorder.” Integrative Medicine: A Clinician’s Journal, vol. 19, no. 3, June 2020, p. 18, pmc.ncbi.nlm.nih.gov/articles/PMC7572147/.
- Evangelou, A., et al. “Ascorbic Acid (Vitamin C) Effects on Withdrawal Syndrome of Heroin Abusers.” In Vivo (Athens, Greece), vol. 14, no. 2, 1 Mar. 2000, pp. 363–366, pubmed.ncbi.nlm.nih.gov/10836211/.
Quit Kit Afternoon Blend
Title
-
L-Tyrosine
-
L-Theanine
-
Ashwagandha
-
N-Acetyl Cysteine
-
Vitamin C
What It Is
L-Tyrosine is an amino acid that serves as a precursor to several key neurotransmitters, including dopamine, norepinephrine, and epinephrine. These chemicals are responsible for alertness, focus, motivation, and stress resilience. Because these pathways become depleted during periods of heavy substance use and withdrawal, tyrosine plays an important role in restoring normal cognitive and emotional function.
How It Helps
In the afternoon dose, L-Tyrosine helps replenish neurotransmitters that naturally dip as the day goes on, which can trigger cravings, irritability, or mental fatigue. By supporting dopamine and norepinephrine production, it promotes clearer thinking and steadier focus during the difficult afternoon window when many people experience a motivational crash. This makes it easier to stay mentally sharp and emotionally stable as the day continues.
Supporting Studies
- Deijen, J.B, et al. “Tyrosine Improves Cognitive Performance and Reduces Blood Pressure in Cadets after One Week of a Combat Training Course.” Brain Research Bulletin, vol. 48, no. 2, Jan. 1999, pp. 203–209, https://doi.org/10.1016/s0361-9230(98)00163-4.
- Blum, Kenneth, et al. “Reward Deficiency Syndrome (RDS): A Cytoarchitectural Common Neurobiological Trait of All Addictions.” International Journal of Environmental Research and Public Health, vol. 18, no. 21, 2 Nov. 2021, p. 11529, https://doi.org/10.3390/ijerph182111529.
- Banderet, Louis E., and Harris R. Lieberman. “Treatment with Tyrosine, a Neurotransmitter Precursor, Reduces Environmental Stress in Humans.” Brain Research Bulletin, vol. 22, no. 4, Apr. 1989, pp. 759–762, https://doi.org/10.1016/0361-9230(89)90096-8.
What It Is
L-Theanine is an amino acid naturally found in green tea that is known for promoting relaxation without sedation. It increases alpha brain wave activity, which is associated with calm focus and mental clarity. L-Theanine also influences neurotransmitters like GABA, serotonin, and dopamine, helping the brain maintain a balanced and steady state.
How It Helps
In the afternoon dose, L-Theanine helps smooth out the stress and anxiety that typically build later in the day during withdrawal. By calming the nervous system while preserving alertness, it reduces the mental tension that often triggers cravings or restlessness. This creates a more relaxed but focused state of mind, making it easier to stay steady through the afternoon.
Supporting Studies
- Kimura, Kenta, et al. “L-Theanine Reduces Psychological and Physiological Stress Responses.” Biological Psychology, vol. 74, no. 1, Jan. 2007, pp. 39–45, https://doi.org/10.1016/j.biopsycho.2006.06.006.
- Juneja, L. “L-Theanine—a Unique Amino Acid of Green Tea and Its Relaxation Effect in Humans.” Trends in Food Science & Technology, vol. 10, no. 6-7, June 1999, pp. 199–204, www.sciencedirect.com/science/article/abs/pii/S0924224499000448, https://doi.org/10.1016/s0924-2244(99)00044-8.
- Wise, Laura E., et al. “L-Theanine Attenuates Abstinence Signs in Morphine-Dependent Rhesus Monkeys and Elicits Anxiolytic-like Activity in Mice.” Pharmacology Biochemistry and Behavior, vol. 103, no. 2, Dec. 2012, pp. 245–252, https://doi.org/10.1016/j.pbb.2012.08.008.
What It Is
Ashwagandha is an adaptogenic herb that has been used for centuries to support stress resilience and hormonal balance. Adaptogens help the body maintain stability during physical and psychological stress by regulating the hypothalamic pituitary adrenal axis. Ashwagandha is especially known for its ability to lower cortisol, the primary stress hormone.
How It Helps
In the afternoon dose, Ashwagandha helps counter the spike in stress and irritability that often appears later in the day during withdrawal. By regulating cortisol, it reduces anxiety, emotional reactivity, and that wired but tired feeling that can lead to cravings. This helps promote a calmer, steadier state so the rest of the day feels more manageable.
Supporting Studies
- Kasture, Sanjay, et al. “Withania Somnifera Prevents Morphine Withdrawal-Induced Decrease in Spine Density in Nucleus Accumbens Shell of Rats: A Confocal Laser Scanning Microscopy Study.” Neurotoxicity Research, vol. 16, no. 4, 24 June 2009, pp. 343–355, https://doi.org/10.1007/s12640-009-9069-2.
- Lopresti, Adrian L, et al. “An Investigation into the Stress-Relieving and Pharmacological Actions of an Ashwagandha (Withania Somnifera) Extract: A Randomized, Double-Blind, Placebo-Controlled Study.” Medicine, vol. 98, no. 37, Sept. 2019, p. e17186, www.ncbi.nlm.nih.gov/pubmed/31517876, https://doi.org/10.1097/MD.0000000000017186.
- Salve, Jaysing, et al. “Adaptogenic and Anxiolytic Effects of Ashwagandha Root Extract in Healthy Adults: A Double-Blind, Randomized, Placebo-Controlled Clinical Study.” Cureus, vol. 11, no. 12, 25 Dec. 2019, www.ncbi.nlm.nih.gov/pmc/articles/PMC6979308/, https://doi.org/10.7759/cureus.6466.
What It Is
N-Acetyl Cysteine (NAC) is a stable, bioavailable form of the amino acid cysteine and a key precursor to glutathione, the body's primary antioxidant. It is used in clinical research for its detoxifying effects and for its ability to regulate glutamate, a neurotransmitter involved in stress, cravings, and cognitive function. Because of these properties, NAC is often used to support both metabolic recovery and mental clarity.
How It Helps
NAC helps calm the brain systems that drive cravings and emotional volatility as the day wears on. By stabilizing glutamate signaling, it reduces the mental noise and agitation that often peak in the afternoon during withdrawal. Its antioxidant effects also support clearer thinking and a steadier mood, making it easier to stay grounded through the toughest part of the day.
Supporting Studies
- Chang, Chung-Ting, et al. “Effectiveness of N-Acetylcysteine in Treating Clinical Symptoms of Substance Abuse and Dependence: A Meta-Analysis of Randomized Controlled Trials.” Clinical Psychopharmacology and Neuroscience, vol. 19, no. 2, 31 May 2021, pp. 282–293, https://doi.org/10.9758/cpn.2021.19.2.282.
- Smaga, Irena, et al. “N-Acetylcysteine in Substance Use Disorder: A Lesson from Preclinical and Clinical Research.” Pharmacological Reports, vol. 73, no. 5, 6 June 2021, pp. 1205–1219, https://doi.org/10.1007/s43440-021-00283-7.
- Tomko, Rachel L, et al. “N-Acetylcysteine: A Potential Treatment for Substance Use Disorders.” Current Psychiatry, vol. 17, no. 6, June 2018, p. 30, pmc.ncbi.nlm.nih.gov/articles/PMC5993450/.
What It Is
Vitamin C is a powerful antioxidant that supports immune function, tissue repair, and cellular defense against oxidative stress. It plays a key role in maintaining healthy adrenal glands, which regulate stress hormones. Vitamin C is also involved in the synthesis of neurotransmitters, including those that influence mood, focus, and motivation.
How It Helps
In the Afternoon Blend, Vitamin C helps counter the buildup of oxidative stress that accumulates throughout the day during withdrawal. By supporting the adrenal system, it helps moderate afternoon stress spikes and keeps energy levels steadier. Its antioxidant effects also contribute to clearer thinking and a more stable mood when many people feel their motivation dip.
Supporting Studies
- Khanna, Navin, and Shail K Sharma. “Megadoses of Vitamin C Prevent the Development of Tolerance and Physical Dependence on Morphine in Mice.” Life Sciences, vol. 33, no. 33, 1 Jan. 1983, pp. 401–404, https://doi.org/10.1016/0024-3205(83)90527-1.
- Zelfand, Erica. “Vitamin C, Pain and Opioid Use Disorder.” Integrative Medicine: A Clinician’s Journal, vol. 19, no. 3, June 2020, p. 18, pmc.ncbi.nlm.nih.gov/articles/PMC7572147/.
- Evangelou, A., et al. “Ascorbic Acid (Vitamin C) Effects on Withdrawal Syndrome of Heroin Abusers.” In Vivo (Athens, Greece), vol. 14, no. 2, 1 Mar. 2000, pp. 363–366, pubmed.ncbi.nlm.nih.gov/10836211/.
Paying It Forward.
The first Quit Kits were packed by hand and heat-sealed in individual pouches: morning, afternoon, and nighttime doses. I labeled, packed, heat-sealed, and trimmed every pouch from a controlled work station in my home. They came with enough supply for two weeks.
By the time I had sent out 50 free Quit Kits, I had packed 2100 individual pouches and spent nearly $3,000.
What I hadn't counted on was the sheer generosity of the Quit Kit community. Even though I only asked for the cost of shipping for a kit, more than 90% of people gave an additional amount. They asked that I use the extra money to pay for someone else's Quit Kit.
By the time the 50 kits had been delivered, these donations had covered over 80% of Quit Kit material costs.
Quit Kit Nighttime Blend
Title
-
Gamma-Aminobutyric Acid
-
L-Tryptophan
-
Melatonin
-
Magnesium Glycinate
-
Vitamin C
What It Is
Gamma-Aminobutyric Acid (GABA) is the primary inhibitory neurotransmitter in the brain, responsible for slowing down neural activity and creating a sense of calm. It helps regulate anxiety, muscle tension, and the ability to transition into deeper stages of sleep. Many people in withdrawal have an overactive nervous system, which makes GABA especially important for restoring balance.
How It Helps
GABA helps quiet the overstimulated nervous system so the body can relax and prepare for sleep. It reduces restlessness, agitation, and that wired but exhausted feeling that often hits at night during withdrawal. When paired with Magnesium Glycinate in the Quit Kit, its calming effects become even stronger, making it easier to settle into deeper, restorative sleep.
Supporting Studies
- Abdou, Adham M., et al. “Relaxation and Immunity Enhancement Effects of γ-Aminobutyric Acid (GABA) Administration in Humans.” BioFactors, vol. 26, no. 3, 2006, pp. 201–208, https://doi.org/10.1002/biof.5520260305.
- Hepsomali, Piril, et al. “Effects of Oral Gamma-Aminobutyric Acid (GABA) Administration on Stress and Sleep in Humans: A Systematic Review.” Frontiers in Neuroscience, vol. 14, no. 923, 17 Sept. 2020, https://doi.org/10.3389/fnins.2020.00923.
- Byun, Jung-Ick, et al. “Safety and Efficacy of Gamma-Aminobutyric Acid from Fermented Rice Germ in Patients with Insomnia Symptoms: A Randomized, Double-Blind Trial.” Journal of Clinical Neurology (Seoul, Korea), vol. 14, no. 3, 1 July 2018, pp. 291–295, www.ncbi.nlm.nih.gov/pmc/articles/PMC6031986/, https://doi.org/10.3988/jcn.2018.14.3.291.
What It Is
L-Tryptophan is an essential amino acid that the body uses to produce serotonin and melatonin. Serotonin supports mood stability and emotional regulation, while melatonin governs the sleep wake cycle. Because the body cannot make tryptophan on its own, it must be supplied through diet or supplementation.
How It Helps
L-Tryptophan helps replenish serotonin levels that often drop during withdrawal and contribute to low mood and emotional instability. It also boosts natural melatonin production, making it easier to fall asleep and stay asleep. This combination supports smoother mood regulation and more restorative sleep during a period when both are usually disrupted.
Supporting Studies
- Schneider-Helmert, Dietrich, and CherylL. Spinweber. “Evaluation of L-Tryptophan for Treatment of Insomnia: A Review.” Psychopharmacology, vol. 89, no. 1, May 1986, https://doi.org/10.1007/bf00175180. Accessed 15 Mar. 2021.
- Young, Simon N., and Marco Leyton. “The Role of Serotonin in Human Mood and Social Interaction.” Pharmacology Biochemistry and Behavior, vol. 71, no. 4, Apr. 2002, pp. 857–865, https://doi.org/10.1016/s0091-3057(01)00670-0.
- Jenkins, Trisha, et al. “Influence of Tryptophan and Serotonin on Mood and Cognition with a Possible Role of the Gut-Brain Axis.” Nutrients, vol. 8, no. 1, 20 Jan. 2016, p. 56, www.ncbi.nlm.nih.gov/pmc/articles/PMC4728667/, https://doi.org/10.3390/nu8010056.
What It Is
Melatonin is a hormone naturally produced by the pineal gland to regulate the sleep wake cycle. Its release is tied to darkness and signals the body that it is time to wind down. Melatonin also interacts with antioxidant systems and supports overall cellular recovery during sleep.
How It Helps
Melatonin helps reset a disrupted sleep schedule and makes it easier to fall asleep during the heightened restlessness of withdrawal. By strengthening the natural sleep signal, it supports longer and more restorative sleep cycles. This deeper rest gives the brain and body the recovery window they need to stabilize mood, reduce irritability, and rebuild energy.
Supporting Studies
- Zhdanova, Irina V., et al. “Sleep-Inducing Effects of Low Doses of Melatonin Ingested in the Evening*.” Clinical Pharmacology & Therapeutics, vol. 57, no. 5, May 1995, pp. 552–558, https://doi.org/10.1016/0009-9236(95)90040-3.
- Arani, Das, et al. “Role of Melatonin in the Management of Substance Addiction: A Systematic Review.” ProQuest, vol. 14, no. 7, 2022, www.proquest.com/docview/2708654715?accountid=12001&parentSessionId=%2BlYlIEoN%2FrQpl%2BSpIcVGBYfHEsyzytwK0nf%2Fr7Ay4xw%3D&pq-origsite=primo, https://doi.org/10.7759/cureus.26764.
- Fatemeh, Gholami, et al. “Effect of Melatonin Supplementation on Sleep Quality: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.” Journal of Neurology, vol. 269, no. 1, 8 Jan. 2021, https://doi.org/10.1007/s00415-020-10381-w.
What It Is
Magnesium Glycinate is a highly absorbable form of magnesium bound to the amino acid glycine. Magnesium is essential for muscle relaxation, nerve function, and over 300 enzymatic reactions in the body. This form is known for its calming properties and gentle effect on the digestive system, making it ideal for nighttime support.
How It Helps
Magnesium Glycinate helps relax tense muscles, reduce physical agitation, and calm an overactive nervous system. Many people in withdrawal experience restlessness or difficulty winding down, and magnesium directly supports the systems that regulate these symptoms. When combined with GABA, it enhances overall relaxation and helps the body settle into deeper, more restorative sleep.
Supporting Studies
- Moshiri, Mohammad, et al. “Buprenorphine Induced Opioid Withdrawal Syndrome Relieved by Adjunctive Magnesium: A Clinical Trial.” Journal of Substance Use and Addiction Treatment, vol. 160, no. 160, 1 May 2024, pp. 209307–209307, https://doi.org/10.1016/j.josat.2024.209307.
- Nechifor, Mihai. “Magnesium in Drug Abuse and Addiction.” PubMed, University of Adelaide Press, 2011, www.ncbi.nlm.nih.gov/books/NBK507260/.
- Boyle, N, et al. “The Effects of Magnesium Supplementation on Subjective Anxiety and Stress—a Systematic Review.” Nutrients, vol. 9, no. 5, 26 Apr. 2017, p. 429, https://doi.org/10.3390/nu9050429.
What It Is
Vitamin C is a powerful antioxidant that supports immune function, tissue repair, and cellular defense against oxidative stress. It plays a key role in maintaining healthy adrenal glands, which regulate stress hormones. Vitamin C is also involved in the synthesis of neurotransmitters, including those that influence mood, focus, and motivation.
How It Helps
Vitamin C helps reduce the oxidative stress that accumulates throughout the day during withdrawal. By supporting adrenal recovery, it allows the body to shift out of the fight or flight state and into deeper rest. Its antioxidant effects also aid overnight cellular repair, helping the body rebuild and stabilize while you sleep.
Supporting Studies
- Khanna, Navin, and Shail K Sharma. “Megadoses of Vitamin C Prevent the Development of Tolerance and Physical Dependence on Morphine in Mice.” Life Sciences, vol. 33, no. 33, 1 Jan. 1983, pp. 401–404, https://doi.org/10.1016/0024-3205(83)90527-1.
- Zelfand, Erica. “Vitamin C, Pain and Opioid Use Disorder.” Integrative Medicine: A Clinician’s Journal, vol. 19, no. 3, June 2020, p. 18, pmc.ncbi.nlm.nih.gov/articles/PMC7572147/.
- Evangelou, A., et al. “Ascorbic Acid (Vitamin C) Effects on Withdrawal Syndrome of Heroin Abusers.” In Vivo (Athens, Greece), vol. 14, no. 2, 1 Mar. 2000, pp. 363–366, pubmed.ncbi.nlm.nih.gov/10836211/.
Quit Kit Nighttime Blend
Title
-
Gamma-Aminobutyric Acid
-
L-Tryptophan
-
Melatonin
-
Magnesium Glycinate
-
Vitamin C
What It Is
Gamma-Aminobutyric Acid (GABA) is the primary inhibitory neurotransmitter in the brain, responsible for slowing down neural activity and creating a sense of calm. It helps regulate anxiety, muscle tension, and the ability to transition into deeper stages of sleep. Many people in withdrawal have an overactive nervous system, which makes GABA especially important for restoring balance.
How It Helps
GABA helps quiet the overstimulated nervous system so the body can relax and prepare for sleep. It reduces restlessness, agitation, and that wired but exhausted feeling that often hits at night during withdrawal. When paired with Magnesium Glycinate in the Quit Kit, its calming effects become even stronger, making it easier to settle into deeper, restorative sleep.
Supporting Studies
- Abdou, Adham M., et al. “Relaxation and Immunity Enhancement Effects of γ-Aminobutyric Acid (GABA) Administration in Humans.” BioFactors, vol. 26, no. 3, 2006, pp. 201–208, https://doi.org/10.1002/biof.5520260305.
- Hepsomali, Piril, et al. “Effects of Oral Gamma-Aminobutyric Acid (GABA) Administration on Stress and Sleep in Humans: A Systematic Review.” Frontiers in Neuroscience, vol. 14, no. 923, 17 Sept. 2020, https://doi.org/10.3389/fnins.2020.00923.
- Byun, Jung-Ick, et al. “Safety and Efficacy of Gamma-Aminobutyric Acid from Fermented Rice Germ in Patients with Insomnia Symptoms: A Randomized, Double-Blind Trial.” Journal of Clinical Neurology (Seoul, Korea), vol. 14, no. 3, 1 July 2018, pp. 291–295, www.ncbi.nlm.nih.gov/pmc/articles/PMC6031986/, https://doi.org/10.3988/jcn.2018.14.3.291.
What It Is
L-Tryptophan is an essential amino acid that the body uses to produce serotonin and melatonin. Serotonin supports mood stability and emotional regulation, while melatonin governs the sleep wake cycle. Because the body cannot make tryptophan on its own, it must be supplied through diet or supplementation.
How It Helps
L-Tryptophan helps replenish serotonin levels that often drop during withdrawal and contribute to low mood and emotional instability. It also boosts natural melatonin production, making it easier to fall asleep and stay asleep. This combination supports smoother mood regulation and more restorative sleep during a period when both are usually disrupted.
Supporting Studies
- Schneider-Helmert, Dietrich, and CherylL. Spinweber. “Evaluation of L-Tryptophan for Treatment of Insomnia: A Review.” Psychopharmacology, vol. 89, no. 1, May 1986, https://doi.org/10.1007/bf00175180. Accessed 15 Mar. 2021.
- Young, Simon N., and Marco Leyton. “The Role of Serotonin in Human Mood and Social Interaction.” Pharmacology Biochemistry and Behavior, vol. 71, no. 4, Apr. 2002, pp. 857–865, https://doi.org/10.1016/s0091-3057(01)00670-0.
- Jenkins, Trisha, et al. “Influence of Tryptophan and Serotonin on Mood and Cognition with a Possible Role of the Gut-Brain Axis.” Nutrients, vol. 8, no. 1, 20 Jan. 2016, p. 56, www.ncbi.nlm.nih.gov/pmc/articles/PMC4728667/, https://doi.org/10.3390/nu8010056.
What It Is
Melatonin is a hormone naturally produced by the pineal gland to regulate the sleep wake cycle. Its release is tied to darkness and signals the body that it is time to wind down. Melatonin also interacts with antioxidant systems and supports overall cellular recovery during sleep.
How It Helps
Melatonin helps reset a disrupted sleep schedule and makes it easier to fall asleep during the heightened restlessness of withdrawal. By strengthening the natural sleep signal, it supports longer and more restorative sleep cycles. This deeper rest gives the brain and body the recovery window they need to stabilize mood, reduce irritability, and rebuild energy.
Supporting Studies
- Zhdanova, Irina V., et al. “Sleep-Inducing Effects of Low Doses of Melatonin Ingested in the Evening*.” Clinical Pharmacology & Therapeutics, vol. 57, no. 5, May 1995, pp. 552–558, https://doi.org/10.1016/0009-9236(95)90040-3.
- Arani, Das, et al. “Role of Melatonin in the Management of Substance Addiction: A Systematic Review.” ProQuest, vol. 14, no. 7, 2022, www.proquest.com/docview/2708654715?accountid=12001&parentSessionId=%2BlYlIEoN%2FrQpl%2BSpIcVGBYfHEsyzytwK0nf%2Fr7Ay4xw%3D&pq-origsite=primo, https://doi.org/10.7759/cureus.26764.
- Fatemeh, Gholami, et al. “Effect of Melatonin Supplementation on Sleep Quality: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.” Journal of Neurology, vol. 269, no. 1, 8 Jan. 2021, https://doi.org/10.1007/s00415-020-10381-w.
What It Is
Magnesium Glycinate is a highly absorbable form of magnesium bound to the amino acid glycine. Magnesium is essential for muscle relaxation, nerve function, and over 300 enzymatic reactions in the body. This form is known for its calming properties and gentle effect on the digestive system, making it ideal for nighttime support.
How It Helps
Magnesium Glycinate helps relax tense muscles, reduce physical agitation, and calm an overactive nervous system. Many people in withdrawal experience restlessness or difficulty winding down, and magnesium directly supports the systems that regulate these symptoms. When combined with GABA, it enhances overall relaxation and helps the body settle into deeper, more restorative sleep.
Supporting Studies
- Moshiri, Mohammad, et al. “Buprenorphine Induced Opioid Withdrawal Syndrome Relieved by Adjunctive Magnesium: A Clinical Trial.” Journal of Substance Use and Addiction Treatment, vol. 160, no. 160, 1 May 2024, pp. 209307–209307, https://doi.org/10.1016/j.josat.2024.209307.
- Nechifor, Mihai. “Magnesium in Drug Abuse and Addiction.” PubMed, University of Adelaide Press, 2011, www.ncbi.nlm.nih.gov/books/NBK507260/.
- Boyle, N, et al. “The Effects of Magnesium Supplementation on Subjective Anxiety and Stress—a Systematic Review.” Nutrients, vol. 9, no. 5, 26 Apr. 2017, p. 429, https://doi.org/10.3390/nu9050429.
What It Is
Vitamin C is a powerful antioxidant that supports immune function, tissue repair, and cellular defense against oxidative stress. It plays a key role in maintaining healthy adrenal glands, which regulate stress hormones. Vitamin C is also involved in the synthesis of neurotransmitters, including those that influence mood, focus, and motivation.
How It Helps
Vitamin C helps reduce the oxidative stress that accumulates throughout the day during withdrawal. By supporting adrenal recovery, it allows the body to shift out of the fight or flight state and into deeper rest. Its antioxidant effects also aid overnight cellular repair, helping the body rebuild and stabilize while you sleep.
Supporting Studies
- Khanna, Navin, and Shail K Sharma. “Megadoses of Vitamin C Prevent the Development of Tolerance and Physical Dependence on Morphine in Mice.” Life Sciences, vol. 33, no. 33, 1 Jan. 1983, pp. 401–404, https://doi.org/10.1016/0024-3205(83)90527-1.
- Zelfand, Erica. “Vitamin C, Pain and Opioid Use Disorder.” Integrative Medicine: A Clinician’s Journal, vol. 19, no. 3, June 2020, p. 18, pmc.ncbi.nlm.nih.gov/articles/PMC7572147/.
- Evangelou, A., et al. “Ascorbic Acid (Vitamin C) Effects on Withdrawal Syndrome of Heroin Abusers.” In Vivo (Athens, Greece), vol. 14, no. 2, 1 Mar. 2000, pp. 363–366, pubmed.ncbi.nlm.nih.gov/10836211/.
Paying It Forward.
The first Quit Kits were packed by hand and heat-sealed in individual pouches: morning, afternoon, and nighttime doses. I labeled, packed, heat-sealed, and trimmed every pouch from a controlled work station in my home. They came with enough supply for two weeks.
By the time I had sent out 50 free Quit Kits, I had packed 2100 individual pouches and spent nearly $3,000.
What I hadn't counted on was the sheer generosity of the Quit Kit community. Even though I only asked for the cost of shipping for a kit, more than 90% of people gave an additional amount. They asked that I use the extra money to pay for someone else's Quit Kit.
By the time the 50 kits had been delivered, these donations had covered over 80% of Quit Kit material costs.
onDemand Boost
Title
-
L-Dopa
-
Acetyl-L-Carnitine (ALCAR)
-
Citicoline
-
L-Tyrosine
-
Active-Form B6 (P5P)
What It Is
L-Dopa is a direct precursor to dopamine, a neurotransmitter involved in motivation, reward, focus, and movement. It is included to support the low-drive moments when feeling flat or unmotivated can make staying on your taper more difficult.
How It Helps
L-Dopa is the direct precursor your body uses to produce dopamine, a neurotransmitter involved in motivation, reward, effort, and goal-directed behavior. By supporting dopamine production, L-Dopa may help promote the drive and mental momentum needed to stay engaged when motivation feels low.
Supporting Studies
- Michely, Jochen, et al. “The Role of Dopamine in Dynamic Effort-Reward Integration.” Neuropsychopharmacology, vol. 45, no. 9, 8 Apr. 2020, pp. 1448–1453, 10.1038/s41386-020-0669-0.
- Shellshear, Leanne, et al., 25900350. “Levodopa Enhances Explicit New-Word Learning in Healthy Adults: A Preliminary Study.” Human Psychopharmacology, vol. 30, no. 5, Sept. 2015, pp. 341–9. PubMed, https://pubmed.ncbi.nlm.nih.gov/25900350/, 10.1002/hup.2480. Accessed 11 Sept. 2026.
- Zenon, A., et al. “Dopamine Manipulation Affects Response Vigor Independently of Opportunity Cost.” Journal of Neuroscience, vol. 36, no. 37, 14 Sept. 2016, pp. 9516–9525, 10.1523/jneurosci.4467-15.2016.
What It Is
Acetyl-L-Carnitine helps support cellular energy production and cognitive function. During a taper, it can provide targeted support when fatigue, sluggishness, or an afternoon crash makes it harder to remain productive and stick with your plan.
How It Helps
ALCAR supports mitochondrial energy production, helping cells convert nutrients into usable energy. Because the brain has particularly high energy demands, ALCAR has been studied for its potential to support mental energy, reduce feelings of fatigue, and maintain cognitive performance.
Supporting Studies
- Malaguarnera, Michele, et al. “Oral Acetyl-L-Carnitine Therapy Reduces Fatigue in Overt Hepatic Encephalopathy: A Randomized, Double-Blind, Placebo-Controlled Study.” The American Journal of Clinical Nutrition, vol. 93, no. 4, 1 Apr. 2011, pp. 799–808, https://pubmed.ncbi.nlm.nih.gov/21310833/, 10.3945/ajcn.110.007393. Accessed 11 Sept. 2026.
- Tejani, Aaron M, et al., 22592719. “Carnitine for Fatigue in Multiple Sclerosis.” The Cochrane Database of Systematic Reviews, vol. 2012, no. 5, 16 May 2012, p. CD007280. PubMed Central, https://pubmed.ncbi.nlm.nih.gov/22592719/, 10.1002/14651858.CD007280.pub3. Accessed 11 Sept. 2026.
- Veronese, Nicola, et al. “Acetyl-L-Carnitine Supplementation and the Treatment of Depressive Symptoms: A Systematic Review and Meta-Analysis.” Psychosomatic Medicine, vol. 80, no. 2, Feb. 2018, pp. 154–159, 10.1097/psy.0000000000000537.
What It Is
Citicoline provides choline used by the body to produce acetylcholine, an important neurotransmitter involved in attention and memory. It helps support clear, intentional thinking during moments when brain fog or distraction can weaken your resolve.
How It Helps
Citicoline supplies building blocks used to produce phospholipids for brain-cell membranes and contributes choline used in acetylcholine production. Human studies suggest it may support attention, memory, processing speed, and the ability to stay mentally focused.
Supporting Studies
- McGlade, Erin, et al. “The Effect of Citicoline Supplementation on Motor Speed and Attention in Adolescent Males.” Journal of Attention Disorders, vol. 23, no. 2, 15 July 2015, pp. 121–134, 10.1177/1087054715593633.
- Nakazaki, Eri, et al. “Citicoline and Memory Function in Healthy Older Adults: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial.” The Journal of Nutrition, vol. 151, no. 8, 12 May 2021, 10.1093/jn/nxab119.
- Spiers, P. A., et al. “Citicoline Improves Verbal Memory in Aging.” Archives of Neurology, vol. 53, no. 5, 1 May 1996, pp. 441–448, 10.1001/archneur.1996.00550050071026.
What It Is
L-Tyrosine is an amino acid the body uses to produce dopamine and other catecholamine neurotransmitters. It is included to support focus, alertness, and mental performance when fatigue or stress begins to make staying on plan feel harder.
How It Helps
L-Tyrosine is an amino acid the body uses to produce dopamine and norepinephrine. Research suggests supplemental tyrosine may be especially useful when mental demands or stressful conditions place greater pressure on these neurotransmitter systems, helping support focus, working memory, and cognitive flexibility.
Supporting Studies
- Shurtleff, David, et al. “Tyrosine Reverses a Cold-Induced Working Memory Deficit in Humans.” Pharmacology Biochemistry and Behavior, vol. 47, no. 4, 1 Apr. 1994, pp. 935–941, https://www.sciencedirect.com/science/article/pii/0091305794902992, 10.1016/0091-3057(94)90299-2. Accessed 11 Sept. 2026.
- Steenbergen, Laura, et al. “Tyrosine Promotes Cognitive Flexibility: Evidence From Proactive Vs. Reactive Control During Task Switching Performance.” Neuropsychologia, vol. 69, Mar. 2015, pp. 50–55, 10.1016/j.neuropsychologia.2015.01.022.
- Thomas, John R, et al. “Tyrosine Improves Working Memory in a Multitasking Environment.” Pharmacology Biochemistry and Behavior, vol. 64, no. 3, Nov. 1999, pp. 495–500, 10.1016/s0091-3057(99)00094-5.
What It Is
Vitamin B6 plays an important role in energy metabolism and the production of several neurotransmitters. Its active form (Pyridoxal-5-phosphate) helps the body efficiently use the other ingredients in the formula while supporting normal nervous-system function.
How It Helps
P5P is the metabolically active form of vitamin B6 and serves as a cofactor for enzymes involved in producing key neurotransmitters, including dopamine, serotonin, and GABA. In Boost, B6 helps support the biochemical pathways that convert amino-acid precursors such as L-Dopa and L-Tyrosine into neurotransmitters involved in motivation, mood, and cognitive function.
Supporting Studies
- Allen, George F. G., et al. “Pyridoxal 5′-Phosphate Deficiency Causes a Loss of Aromatic L-Amino Acid Decarboxylase in Patients and Human Neuroblastoma Cells, Implications for Aromatic L-Amino Acid Decarboxylase and Vitamin B6 Deficiency States.” Journal of Neurochemistry, 9 Apr. 2010, pp. no-no, 10.1111/j.1471-4159.2010.06742.x.
- di Salvo, Martino L., et al. “Biomedical Aspects of Pyridoxal 5’-Phosphate Availability.” Frontiers in Bioscience (Elite Edition), vol. 4, 1 Jan. 2012, pp. 897–913, https://pubmed.ncbi.nlm.nih.gov/22201923/, 10.2741/428. Accessed 11 Sept. 2026.
- Field, David T., et al. “High‐Dose Vitamin B6 Supplementation Reduces Anxiety and Strengthens Visual Surround Suppression.” Human Psychopharmacology: Clinical and Experimental, vol. 37, no. 6, 19 July 2022, 10.1002/hup.2852.
Paying It Forward.
The first Quit Kits were packed by hand and heat-sealed in individual pouches: morning, afternoon, and nighttime doses. I labeled, packed, heat-sealed, and trimmed every pouch from a controlled work station in my home. They came with enough supply for two weeks.
By the time I had sent out 50 free Quit Kits, I had packed 2100 individual pouches and spent nearly $3,000.
What I hadn't counted on was the sheer generosity of the Quit Kit community. Even though I only asked for the cost of shipping for a kit, more than 90% of people gave an additional amount. They asked that I use the extra money to pay for someone else's Quit Kit.
By the time the 50 kits had been delivered, these donations had covered over 80% of Quit Kit material costs.
onDemand Boost
Title
-
L-Dopa
-
Acetyl-L-Carnitine (ALCAR)
-
Citicoline
-
L-Tyrosine
-
Active-Form B6 (P5P)
What It Is
L-Dopa is a direct precursor to dopamine, a neurotransmitter involved in motivation, reward, focus, and movement. It is included to support the low-drive moments when feeling flat or unmotivated can make staying on your taper more difficult.
How It Helps
L-Dopa is the direct precursor your body uses to produce dopamine, a neurotransmitter involved in motivation, reward, effort, and goal-directed behavior. By supporting dopamine production, L-Dopa may help promote the drive and mental momentum needed to stay engaged when motivation feels low.
Supporting Studies
- Michely, Jochen, et al. “The Role of Dopamine in Dynamic Effort-Reward Integration.” Neuropsychopharmacology, vol. 45, no. 9, 8 Apr. 2020, pp. 1448–1453, 10.1038/s41386-020-0669-0.
- Shellshear, Leanne, et al., 25900350. “Levodopa Enhances Explicit New-Word Learning in Healthy Adults: A Preliminary Study.” Human Psychopharmacology, vol. 30, no. 5, Sept. 2015, pp. 341–9. PubMed, https://pubmed.ncbi.nlm.nih.gov/25900350/, 10.1002/hup.2480. Accessed 11 Sept. 2026.
- Zenon, A., et al. “Dopamine Manipulation Affects Response Vigor Independently of Opportunity Cost.” Journal of Neuroscience, vol. 36, no. 37, 14 Sept. 2016, pp. 9516–9525, 10.1523/jneurosci.4467-15.2016.
What It Is
Acetyl-L-Carnitine helps support cellular energy production and cognitive function. During a taper, it can provide targeted support when fatigue, sluggishness, or an afternoon crash makes it harder to remain productive and stick with your plan.
How It Helps
ALCAR supports mitochondrial energy production, helping cells convert nutrients into usable energy. Because the brain has particularly high energy demands, ALCAR has been studied for its potential to support mental energy, reduce feelings of fatigue, and maintain cognitive performance.
Supporting Studies
- Malaguarnera, Michele, et al. “Oral Acetyl-L-Carnitine Therapy Reduces Fatigue in Overt Hepatic Encephalopathy: A Randomized, Double-Blind, Placebo-Controlled Study.” The American Journal of Clinical Nutrition, vol. 93, no. 4, 1 Apr. 2011, pp. 799–808, https://pubmed.ncbi.nlm.nih.gov/21310833/, 10.3945/ajcn.110.007393. Accessed 11 Sept. 2026.
- Tejani, Aaron M, et al., 22592719. “Carnitine for Fatigue in Multiple Sclerosis.” The Cochrane Database of Systematic Reviews, vol. 2012, no. 5, 16 May 2012, p. CD007280. PubMed Central, https://pubmed.ncbi.nlm.nih.gov/22592719/, 10.1002/14651858.CD007280.pub3. Accessed 11 Sept. 2026.
- Veronese, Nicola, et al. “Acetyl-L-Carnitine Supplementation and the Treatment of Depressive Symptoms: A Systematic Review and Meta-Analysis.” Psychosomatic Medicine, vol. 80, no. 2, Feb. 2018, pp. 154–159, 10.1097/psy.0000000000000537.
What It Is
Citicoline provides choline used by the body to produce acetylcholine, an important neurotransmitter involved in attention and memory. It helps support clear, intentional thinking during moments when brain fog or distraction can weaken your resolve.
How It Helps
Citicoline supplies building blocks used to produce phospholipids for brain-cell membranes and contributes choline used in acetylcholine production. Human studies suggest it may support attention, memory, processing speed, and the ability to stay mentally focused.
Supporting Studies
- McGlade, Erin, et al. “The Effect of Citicoline Supplementation on Motor Speed and Attention in Adolescent Males.” Journal of Attention Disorders, vol. 23, no. 2, 15 July 2015, pp. 121–134, 10.1177/1087054715593633.
- Nakazaki, Eri, et al. “Citicoline and Memory Function in Healthy Older Adults: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial.” The Journal of Nutrition, vol. 151, no. 8, 12 May 2021, 10.1093/jn/nxab119.
- Spiers, P. A., et al. “Citicoline Improves Verbal Memory in Aging.” Archives of Neurology, vol. 53, no. 5, 1 May 1996, pp. 441–448, 10.1001/archneur.1996.00550050071026.
What It Is
L-Tyrosine is an amino acid the body uses to produce dopamine and other catecholamine neurotransmitters. It is included to support focus, alertness, and mental performance when fatigue or stress begins to make staying on plan feel harder.
How It Helps
L-Tyrosine is an amino acid the body uses to produce dopamine and norepinephrine. Research suggests supplemental tyrosine may be especially useful when mental demands or stressful conditions place greater pressure on these neurotransmitter systems, helping support focus, working memory, and cognitive flexibility.
Supporting Studies
- Shurtleff, David, et al. “Tyrosine Reverses a Cold-Induced Working Memory Deficit in Humans.” Pharmacology Biochemistry and Behavior, vol. 47, no. 4, 1 Apr. 1994, pp. 935–941, https://www.sciencedirect.com/science/article/pii/0091305794902992, 10.1016/0091-3057(94)90299-2. Accessed 11 Sept. 2026.
- Steenbergen, Laura, et al. “Tyrosine Promotes Cognitive Flexibility: Evidence From Proactive Vs. Reactive Control During Task Switching Performance.” Neuropsychologia, vol. 69, Mar. 2015, pp. 50–55, 10.1016/j.neuropsychologia.2015.01.022.
- Thomas, John R, et al. “Tyrosine Improves Working Memory in a Multitasking Environment.” Pharmacology Biochemistry and Behavior, vol. 64, no. 3, Nov. 1999, pp. 495–500, 10.1016/s0091-3057(99)00094-5.
What It Is
Vitamin B6 plays an important role in energy metabolism and the production of several neurotransmitters. Its active form (Pyridoxal-5-phosphate) helps the body efficiently use the other ingredients in the formula while supporting normal nervous-system function.
How It Helps
P5P is the metabolically active form of vitamin B6 and serves as a cofactor for enzymes involved in producing key neurotransmitters, including dopamine, serotonin, and GABA. In Boost, B6 helps support the biochemical pathways that convert amino-acid precursors such as L-Dopa and L-Tyrosine into neurotransmitters involved in motivation, mood, and cognitive function.
Supporting Studies
- Allen, George F. G., et al. “Pyridoxal 5′-Phosphate Deficiency Causes a Loss of Aromatic L-Amino Acid Decarboxylase in Patients and Human Neuroblastoma Cells, Implications for Aromatic L-Amino Acid Decarboxylase and Vitamin B6 Deficiency States.” Journal of Neurochemistry, 9 Apr. 2010, pp. no-no, 10.1111/j.1471-4159.2010.06742.x.
- di Salvo, Martino L., et al. “Biomedical Aspects of Pyridoxal 5’-Phosphate Availability.” Frontiers in Bioscience (Elite Edition), vol. 4, 1 Jan. 2012, pp. 897–913, https://pubmed.ncbi.nlm.nih.gov/22201923/, 10.2741/428. Accessed 11 Sept. 2026.
- Field, David T., et al. “High‐Dose Vitamin B6 Supplementation Reduces Anxiety and Strengthens Visual Surround Suppression.” Human Psychopharmacology: Clinical and Experimental, vol. 37, no. 6, 19 July 2022, 10.1002/hup.2852.
onDemand Chill
Title
-
Passionflower Extract (10:1)
-
L-Theanine
-
Taurine
-
Magnesium
-
Active-Form B6 (P5P)
What It Is
Passionflower has traditionally been used to promote relaxation. It is included to help take the edge off tense, restless moments when stress or anxious feelings make it harder to stay within your tapering plan.
How It Helps
Passionflower has been studied for its calming effects and its ability to support a more balanced response to stressful situations. Research suggests it may help reduce feelings of anxiety and tension without necessarily causing the same degree of sedation or psychomotor impairment associated with stronger calming agents.
Supporting Studies
- Akhondzadeh, S., et al. “Passionflower in the Treatment of Generalized Anxiety: A Pilot Double-Blind Randomized Controlled Trial With Oxazepam.” Journal of Clinical Pharmacy and Therapeutics, vol. 26, no. 5, Oct. 2001, pp. 363–367, 10.1046/j.1365-2710.2001.00367.x.
- Aslanargun, Pınar, et al. “Passiflora Incarnata Linneaus as an Anxiolytic Before Spinal Anesthesia.” Journal of Anesthesia, vol. 26, no. 1, 3 Nov. 2011, pp. 39–44, 10.1007/s00540-011-1265-6.
- Movafegh, Ali, et al. “Preoperative Oral Passiflora Incarnata Reduces Anxiety in Ambulatory Surgery Patients: A Double-Blind, Placebo-Controlled Study.” Anesthesia & Analgesia, vol. 106, no. 6, June 2008, pp. 1728–1732, 10.1213/ane.0b013e318172c3f9.
What It Is
L-Theanine supports a relaxed but alert state of mind. Research suggests it may help moderate the body’s response to acute stress, making it useful when you want to feel calmer without feeling completely checked out.
How It Helps
L-Theanine is an amino acid naturally found in tea that has been extensively studied for its ability to promote a calm but alert mental state. Research suggests it may help moderate both psychological and physiological responses to stress while supporting relaxation without pronounced drowsiness.
Supporting Studies
- Evans, Malkanthi, et al. “A Randomized, Triple-Blind, Placebo-Controlled, Crossover Study to Investigate the Efficacy of a Single Dose of AlphaWave®L-Theanine on Stress in a Healthy Adult Population.” Neurology and Therapy, 25 Sept. 2021, pp. 1–18, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8475422/, 10.1007/s40120-021-00284-x. Accessed 11 Sept. 2026.
- Hidese, Shinsuke, et al. “Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial.” Nutrients, vol. 11, no. 10, 3 Oct. 2019, p. 2362, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6836118/, 10.3390/nu11102362. Accessed 11 Sept. 2026.
- Kimura, Kenta, et al. “L-Theanine Reduces Psychological and Physiological Stress Responses.” Biological Psychology, vol. 74, no. 1, Jan. 2007, pp. 39–45, 10.1016/j.biopsycho.2006.06.006.
What It Is
Taurine is an amino acid involved in nervous-system signaling and cellular balance. It is included to support a steadier, more composed state during moments of tension, overstimulation, or irritability.
How It Helps
Taurine is an amino-sulfonic acid naturally concentrated in the brain and other excitable tissues. It helps regulate neuronal activity and interacts with GABA and glycine receptors, two systems involved in inhibitory signaling, giving taurine a potential role in supporting neurological balance and a steady response to stimulation.
Supporting Studies
- Albrecht, Jan, and Arne Schousboe, 16362781. “Taurine Interaction With Neurotransmitter Receptors in the CNS: An Update.” Neurochemical Research, vol. 30, no. 12, Dec. 2005, pp. 1615–21. PubMed, https://pubmed.ncbi.nlm.nih.gov/16362781/, 10.1007/s11064-005-8986-6. Accessed 11 Sept. 2026.
- Ochoa-de la Paz, Lenin, et al. “Taurine and GABA Neurotransmitter Receptors, a Relationship With Therapeutic Potential?” Expert Review of Neurotherapeutics, vol. 19, no. 4, 20 Mar. 2019, pp. 289–291, 10.1080/14737175.2019.1593827.
- Oja, Simo S, and Pirjo Saransaari. “Significance of Taurine in the Brain.” Advances in Experimental Medicine and Biology, vol. 975 Pt 1, 2017, pp. 89–94, https://pubmed.ncbi.nlm.nih.gov/28849446/, 10.1007/978-94-024-1079-2_8. Accessed 11 Sept. 2026.
What It Is
Magnesium supports normal nerve and muscle function and is involved in hundreds of biochemical processes throughout the body. It is included to promote relaxation and help the body settle during tense or restless moments.
How It Helps
Magnesium plays an essential role in normal nervous-system function and helps regulate neuronal signaling, muscle relaxation, and the body's response to stress. Magnesium glycinate combines magnesium with glycine and is commonly used when the goal is gentle, well-tolerated support for relaxation and nighttime calm.
Supporting Studies
- Eberlin, Marion. “Healthy Adults With Severe Stress and Hypomagnesaemia Benefit From a Combination of Magnesium and Vitamin B6.” Evidence for Self-Medication, 16 Aug. 2021, https://www.efsm.online/int_en/article-overview/101/2021/healthy-adults-with-severe-stress-and-hypomagnesaemia-benefit-from-a-combination-of-magnesium-and-vitamin-b6. Accessed 11 Sept. 2026.
- He, Caijun, et al. “The Mechanisms of Magnesium in Sleep Disorders.” Nature and Science of Sleep, vol. Volume 17, Oct. 2025, pp. 2639–2656, https://www.dovepress.com/the-mechanisms-of-magnesium-in-sleep-disorders-peer-reviewed-fulltext-article-NSS, 10.2147/nss.s552646. Accessed 11 Sept. 2026.
- Schuster, Julius, et al. “Magnesium Bisglycinate Supplementation in Healthy Adults Reporting Poor Sleep: A Randomized, Placebo-Controlled Trial.” Nature and Science of Sleep, vol. Volume 17, 1 Aug. 2025, pp. 2027–2040, https://pmc.ncbi.nlm.nih.gov/articles/PMC12412596/, 10.2147/nss.s524348. Accessed 11 Sept. 2026.
What It Is
Vitamin B6 helps the body produce neurotransmitters involved in mood and nervous-system function. Its active form (Pyridoxal-5-phosphate) complements the calming ingredients in Chill and supports a balanced response to everyday stress.
How It Helps
P5P is the active form of vitamin B6 and serves as an essential cofactor in the production of several neurotransmitters involved in emotional balance. Importantly for Chill, vitamin B6 is required for the synthesis of GABA, the brain's primary inhibitory neurotransmitter, helping support the pathways involved in calm and controlled neuronal activity.
Supporting Studies
- Field, David T., et al. “High‐Dose Vitamin B6 Supplementation Reduces Anxiety and Strengthens Visual Surround Suppression.” Human Psychopharmacology: Clinical and Experimental, vol. 37, no. 6, 19 July 2022, 10.1002/hup.2852.
- Noah, Lionel, et al. “Effect of Magnesium and Vitamin B6 Supplementation on Mental Health and Quality of Life in Stressed Healthy Adults: Post‐Hoc Analysis of a Randomised Controlled Trial.” Stress and Health, vol. 37, no. 5, 6 May 2021, 10.1002/smi.3051.
- Pickering, Gisèle, et al. “A Combination of Magnesium, B Vitamins, Rhodiola, and Green Tea (L-Theanine) Alleviates Chronic Stress in Healthy Volunteers: A Randomized, Placebo-Controlled Study.” NUTRITION 2022 LIVE ONLINE Abstracts, vol. 6, 1 June 2022, p. 805, https://www.sciencedirect.com/science/article/pii/S2475299123206435, 10.1093/cdn/nzac064.024. Accessed 11 Sept. 2026.
Paying It Forward.
The first Quit Kits were packed by hand and heat-sealed in individual pouches: morning, afternoon, and nighttime doses. I labeled, packed, heat-sealed, and trimmed every pouch from a controlled work station in my home. They came with enough supply for two weeks.
By the time I had sent out 50 free Quit Kits, I had packed 2100 individual pouches and spent nearly $3,000.
What I hadn't counted on was the sheer generosity of the Quit Kit community. Even though I only asked for the cost of shipping for a kit, more than 90% of people gave an additional amount. They asked that I use the extra money to pay for someone else's Quit Kit.
By the time the 50 kits had been delivered, these donations had covered over 80% of Quit Kit material costs.
onDemand Chill
Title
-
Passionflower Extract (10:1)
-
L-Theanine
-
Taurine
-
Magnesium
-
Active-Form B6 (P5P)
What It Is
Passionflower has traditionally been used to promote relaxation. It is included to help take the edge off tense, restless moments when stress or anxious feelings make it harder to stay within your tapering plan.
How It Helps
Passionflower has been studied for its calming effects and its ability to support a more balanced response to stressful situations. Research suggests it may help reduce feelings of anxiety and tension without necessarily causing the same degree of sedation or psychomotor impairment associated with stronger calming agents.
Supporting Studies
- Akhondzadeh, S., et al. “Passionflower in the Treatment of Generalized Anxiety: A Pilot Double-Blind Randomized Controlled Trial With Oxazepam.” Journal of Clinical Pharmacy and Therapeutics, vol. 26, no. 5, Oct. 2001, pp. 363–367, 10.1046/j.1365-2710.2001.00367.x.
- Aslanargun, Pınar, et al. “Passiflora Incarnata Linneaus as an Anxiolytic Before Spinal Anesthesia.” Journal of Anesthesia, vol. 26, no. 1, 3 Nov. 2011, pp. 39–44, 10.1007/s00540-011-1265-6.
- Movafegh, Ali, et al. “Preoperative Oral Passiflora Incarnata Reduces Anxiety in Ambulatory Surgery Patients: A Double-Blind, Placebo-Controlled Study.” Anesthesia & Analgesia, vol. 106, no. 6, June 2008, pp. 1728–1732, 10.1213/ane.0b013e318172c3f9.
What It Is
L-Theanine supports a relaxed but alert state of mind. Research suggests it may help moderate the body’s response to acute stress, making it useful when you want to feel calmer without feeling completely checked out.
How It Helps
L-Theanine is an amino acid naturally found in tea that has been extensively studied for its ability to promote a calm but alert mental state. Research suggests it may help moderate both psychological and physiological responses to stress while supporting relaxation without pronounced drowsiness.
Supporting Studies
- Evans, Malkanthi, et al. “A Randomized, Triple-Blind, Placebo-Controlled, Crossover Study to Investigate the Efficacy of a Single Dose of AlphaWave®L-Theanine on Stress in a Healthy Adult Population.” Neurology and Therapy, 25 Sept. 2021, pp. 1–18, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8475422/, 10.1007/s40120-021-00284-x. Accessed 11 Sept. 2026.
- Hidese, Shinsuke, et al. “Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial.” Nutrients, vol. 11, no. 10, 3 Oct. 2019, p. 2362, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6836118/, 10.3390/nu11102362. Accessed 11 Sept. 2026.
- Kimura, Kenta, et al. “L-Theanine Reduces Psychological and Physiological Stress Responses.” Biological Psychology, vol. 74, no. 1, Jan. 2007, pp. 39–45, 10.1016/j.biopsycho.2006.06.006.
What It Is
Taurine is an amino acid involved in nervous-system signaling and cellular balance. It is included to support a steadier, more composed state during moments of tension, overstimulation, or irritability.
How It Helps
Taurine is an amino-sulfonic acid naturally concentrated in the brain and other excitable tissues. It helps regulate neuronal activity and interacts with GABA and glycine receptors, two systems involved in inhibitory signaling, giving taurine a potential role in supporting neurological balance and a steady response to stimulation.
Supporting Studies
- Albrecht, Jan, and Arne Schousboe, 16362781. “Taurine Interaction With Neurotransmitter Receptors in the CNS: An Update.” Neurochemical Research, vol. 30, no. 12, Dec. 2005, pp. 1615–21. PubMed, https://pubmed.ncbi.nlm.nih.gov/16362781/, 10.1007/s11064-005-8986-6. Accessed 11 Sept. 2026.
- Ochoa-de la Paz, Lenin, et al. “Taurine and GABA Neurotransmitter Receptors, a Relationship With Therapeutic Potential?” Expert Review of Neurotherapeutics, vol. 19, no. 4, 20 Mar. 2019, pp. 289–291, 10.1080/14737175.2019.1593827.
- Oja, Simo S, and Pirjo Saransaari. “Significance of Taurine in the Brain.” Advances in Experimental Medicine and Biology, vol. 975 Pt 1, 2017, pp. 89–94, https://pubmed.ncbi.nlm.nih.gov/28849446/, 10.1007/978-94-024-1079-2_8. Accessed 11 Sept. 2026.
What It Is
Magnesium supports normal nerve and muscle function and is involved in hundreds of biochemical processes throughout the body. It is included to promote relaxation and help the body settle during tense or restless moments.
How It Helps
Magnesium plays an essential role in normal nervous-system function and helps regulate neuronal signaling, muscle relaxation, and the body's response to stress. Magnesium glycinate combines magnesium with glycine and is commonly used when the goal is gentle, well-tolerated support for relaxation and nighttime calm.
Supporting Studies
- Eberlin, Marion. “Healthy Adults With Severe Stress and Hypomagnesaemia Benefit From a Combination of Magnesium and Vitamin B6.” Evidence for Self-Medication, 16 Aug. 2021, https://www.efsm.online/int_en/article-overview/101/2021/healthy-adults-with-severe-stress-and-hypomagnesaemia-benefit-from-a-combination-of-magnesium-and-vitamin-b6. Accessed 11 Sept. 2026.
- He, Caijun, et al. “The Mechanisms of Magnesium in Sleep Disorders.” Nature and Science of Sleep, vol. Volume 17, Oct. 2025, pp. 2639–2656, https://www.dovepress.com/the-mechanisms-of-magnesium-in-sleep-disorders-peer-reviewed-fulltext-article-NSS, 10.2147/nss.s552646. Accessed 11 Sept. 2026.
- Schuster, Julius, et al. “Magnesium Bisglycinate Supplementation in Healthy Adults Reporting Poor Sleep: A Randomized, Placebo-Controlled Trial.” Nature and Science of Sleep, vol. Volume 17, 1 Aug. 2025, pp. 2027–2040, https://pmc.ncbi.nlm.nih.gov/articles/PMC12412596/, 10.2147/nss.s524348. Accessed 11 Sept. 2026.
What It Is
Vitamin B6 helps the body produce neurotransmitters involved in mood and nervous-system function. Its active form (Pyridoxal-5-phosphate) complements the calming ingredients in Chill and supports a balanced response to everyday stress.
How It Helps
P5P is the active form of vitamin B6 and serves as an essential cofactor in the production of several neurotransmitters involved in emotional balance. Importantly for Chill, vitamin B6 is required for the synthesis of GABA, the brain's primary inhibitory neurotransmitter, helping support the pathways involved in calm and controlled neuronal activity.
Supporting Studies
- Field, David T., et al. “High‐Dose Vitamin B6 Supplementation Reduces Anxiety and Strengthens Visual Surround Suppression.” Human Psychopharmacology: Clinical and Experimental, vol. 37, no. 6, 19 July 2022, 10.1002/hup.2852.
- Noah, Lionel, et al. “Effect of Magnesium and Vitamin B6 Supplementation on Mental Health and Quality of Life in Stressed Healthy Adults: Post‐Hoc Analysis of a Randomised Controlled Trial.” Stress and Health, vol. 37, no. 5, 6 May 2021, 10.1002/smi.3051.
- Pickering, Gisèle, et al. “A Combination of Magnesium, B Vitamins, Rhodiola, and Green Tea (L-Theanine) Alleviates Chronic Stress in Healthy Volunteers: A Randomized, Placebo-Controlled Study.” NUTRITION 2022 LIVE ONLINE Abstracts, vol. 6, 1 June 2022, p. 805, https://www.sciencedirect.com/science/article/pii/S2475299123206435, 10.1093/cdn/nzac064.024. Accessed 11 Sept. 2026.
* Statements made on this website have not been evaluated from the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. Quit Kit is intended for adults 18 years and older. Consult a healthcare professional prior to use if you are pregnant or nursing, taking medications that may interact with the ingredients in Quit Kit, or have a medical condition.