Sugar Cravings in Alcohol Recovery
The Science Behind the Sweet Tooth
Written by Bryony Landricombe ANutr
If you've recently stopped drinking and suddenly found yourself reaching for chocolate, sweets, or fizzy drinks, it might feel like an unexpected challenge. These cravings can complicate weight management and sobriety, creating an additional burden for individuals in recovery. But why does this happen, and how can it be managed? In this article, we explore the neuroscience, hormonal shifts, and gut-brain connection behind sugar cravings in recovery. Learn practical, science-based strategies to stabilise cravings, improve gut health, and build sustainable eating habits that support long-term sobriety.
Sugar Cravings in Alcohol Recovery: The Science Behind the Sweet Tooth
For many individuals recovering from alcohol dependence, quitting drinking is only part of the battle. A surprising and often overlooked challenge is the sudden craving for sugar. Whether it’s an insatiable desire for chocolate, sweets, or fizzy drinks, these cravings are not just about personal preference—they are deeply rooted in biological, psychological, and gut-related changes. Many individuals report that sugar cravings peak during the first few months of sobriety. While sugar consumption can provide temporary relief, excessive intake may contribute to secondary health concerns, such as weight gain, insulin resistance, and fatigue. Experts recommend gradual reduction strategies and structured meal planning to help individuals transition away from high-sugar foods without feeling deprived. But, what is driving this phenomenon, and how can individuals in recovery manage it effectively?
The Neuroscience of Sugar Cravings in Recovery
Alcohol directly affects the brain’s reward system, particularly dopamine—the neurotransmitter responsible for pleasure and reinforcement. Over time, chronic alcohol use disrupts dopamine production, making it harder for individuals to experience pleasure from everyday activities. When alcohol is removed, the brain craves an alternative source of dopamine, often leading to increased consumption of sugar.
This is not a coincidence—sugar stimulates dopamine release in a way that mimics alcohol’s effects, albeit temporarily. The result? Individuals in recovery may find themselves turning to sugar for emotional comfort and neurological compensation.
Similarly, serotonin disruption further exacerbates cravings for carbohydrate-rich foods. Alcohol temporarily enhances serotonin release, producing euphoric effects, but chronic use disrupts this pathway, contributing to mood disorders such as anxiety and depression. The consumption of sugary foods increases tryptophan availability, promoting serotonin synthesis and offering short-term emotional relief. However, this reinforces unhealthy eating behaviours that may persist even after alcohol withdrawal.
Beyond dopamine, alcohol withdrawal can significantly impact stress hormones like cortisol. Studies show that individuals in early recovery often have elevated cortisol levels, which contribute to heightened stress responses. This, in turn, increases cravings for energy-dense foods, particularly those high in sugar and fat. Additionally, cortisol’s role in gluconeogenesis contributes to insulin resistance, leading to blood glucose fluctuations that reinforce the cycle of cravings and overeating.
Additionally, increased cortisol disrupts ghrelin and leptin regulation—two hormones responsible for hunger and satiety. This dysregulation fosters cravings for calorie-dense foods, often high in sugar and fat. Studies have correlated higher cortisol levels with significant weight gain in alcohol recovery, although further longitudinal research is needed to confirm these findings.
The Role of the Gut-Brain Axis
Emerging research suggests that gut dysbiosis in individuals recovering from alcohol dependence contributes to both mood disorders and an increased desire for sweet foods. Alcohol-induced intestinal permeability allows bacterial endotoxins to enter systemic circulation, triggering inflammatory responses linked to psychological stressors such as anxiety and depression. These inflammatory processes persist even weeks into abstinence, highlighting the enduring impact of alcohol dependence on gut integrity. These disruptions can exacerbate cravings for sugar, as gut bacteria themselves may influence dietary choices and food preferences.
Additionally, alcohol dependence impairs the absorption of essential vitamins and minerals, including thiamine (B1), folate (B9), riboflavin (B2), and biotin (B7). Deficiencies in these nutrients can further exacerbate mood instability, making it more difficult to regulate emotional eating patterns. Studies have shown that disruptions to gut microbiota influence behaviour, with prebiotic and probiotic interventions demonstrating potential benefits in restoring microbiome balance and reducing anxiety-like symptoms in both animal and human studies.
Social stressors may also contribute to long-term disturbances in gut microbiota. Chronic stress has been linked to increased inflammation and alterations in gut bacterial composition, further compounding psychological stress responses and reinforcing maladaptive eating behaviours.
Psychological Factors Affecting Alcohol Recovery
Psychological factors play a significant role in alcohol recovery, influencing both cravings and emotional well-being. Stress, anxiety, and depression are common among individuals in recovery, often triggering the urge to consume high-sugar foods for temporary relief. Additionally, self-efficacy, or one’s belief in their ability to make positive changes, can determine the success of maintaining sobriety and healthy eating habits. Social influences also matter—if an individual’s support network models unhealthy coping mechanisms, they may struggle to adopt sustainable lifestyle changes. Addressing these psychological factors through therapy, stress management techniques, and social support can help create a more stable recovery process.
How to Manage Sugar Cravings: Practical Strategies
Prioritise Balanced Meals: Eating a diet rich in complex carbohydrates, proteins, and healthy fats can help stabilise blood sugar levels and reduce cravings. Research suggests that maintaining balanced macronutrient intake minimises cortisol fluctuations. Don’t forget your fruits and veggies too.
Stay Hydrated: Dehydration is commonly mistaken for hunger. Drinking enough water or herbal teas throughout the day can help reduce unnecessary snacking.
Support Gut Health: Prebiotic and probiotic foods, such as yogurt, kefir, and garlic, promote healthy gut bacteria, which may reduce cravings for sugar.
Adopt Mindful Eating Practices: Taking time to assess whether cravings are physiological or emotional can prevent impulsive eating. Studies have shown that mindfulness-based eating strategies significantly reduce stress-induced eating.
Manage Stress Effectively: Practices such as yoga, meditation, and outdoor activities have been shown to lower cortisol levels and decrease the likelihood of turning to food for emotional relief.
How Families Can Support Recovery
Family members and loved ones play a crucial role in supporting someone recovering from alcohol dependence. Here are some ways to provide meaningful support:
Encourage a Healthy Routine: Help with meal planning or cooking nutrient-dense meals together.
Be Patient and Non-Judgemental: Recovery is a deeply personal process, and sugar cravings are a natural part of it.
Offer Emotional Support Without Pressure: Avoid making comments about food choices; instead, encourage open discussions about feelings and experiences.
Promote Positive Distractions: Encourage hobbies, social activities, or gentle exercise to help manage cravings and stress.
Educate Yourself: Learning about alcohol recovery can help family members provide informed and compassionate support.
Support Networks and Resources in the UK
If you or a loved one is navigating alcohol recovery, professional support can make a significant difference. Here are UK-based organisations offering guidance and support:
Alcoholics Anonymous (AA) UK – A peer support group offering meetings and a 12-step recovery programme. www.alcoholics-anonymous.org.uk
SMART Recovery UK – A science-based recovery programme focusing on self-empowerment. www.smartrecovery.org.uk
We Are With You – Free, confidential support for people struggling with alcohol and substance use. www.wearewithyou.org.uk
Drinkaware – Provides practical advice and resources for reducing alcohol intake. www.drinkaware.co.uk
NHS Alcohol Support Services – Offers referrals to treatment programmes and advice for individuals and families. www.nhs.uk/live-well/alcohol-advice/
Conclusion
The interplay between physiological, psychological, and social factors in alcohol recovery presents significant challenges for individuals attempting to regulate their eating behaviours. Dysregulation of the HPA axis, neurotransmitter alterations, and gut-brain interactions contribute to cravings for energy-dense foods, exacerbating emotional and physical vulnerabilities. Additionally, psychological stressors and socioeconomic barriers reinforce maladaptive eating patterns, making it difficult to achieve long-term dietary stability. Addressing these issues requires a holistic approach that integrates nutritional interventions and psychological support to create a supportive recovery environment.
For those in recovery, working with a registered nutritionist or psychologist specialising in addiction can provide valuable strategies tailored to individual needs, ensuring a sustainable approach to managing emotional eating during recovery.
This article was written by Bryony Landricombe ANutr. Bryony graduated Bournemouth University with 1st Class Honours in BSc Nutrition and is now studying her Master's in Nutrition and Behaviour. Bryony founded The Nutrition Hub Dorset in 2024 to support her clients to find adequately qualified professionals with ease, and will shortly be starting her research project exploring the relationship between alcohol recovery and sugar cravings in further detail.
References
Abrantes, A. M., Kunicki, Z., Braun, T., Miranda, R., Jr., Blevins, C. E., Brick, L., Thomas, G., Marsh, E., Feltus, S. and Stein, M. D., 2022. Daily associations between alcohol and sweets craving and consumption in early AUD recovery: Results from an ecological momentary assessment study. Journal of Substance Abuse Treatment, 132, 108614.
Adam, T. C. and Epel, E. S., 2007. Stress, eating and the reward system. Physiology & Behavior, 91 (4), 449–458.
Adamson, S. J., Sellman, J. D. and Frampton, C. M. A., 2009. Patient predictors of alcohol treatment outcome: A systematic review. Journal of Substance Abuse Treatment, 36 (1), 75–86.
Adinoff, B., Iranmanesh, A., Veldhuis, J. and Fisher, L., 1998. Disturbances of the stress response: the role of the HPA axis during alcohol withdrawal and abstinence. Alcohol health and research world, 22 (1), 67–72.
Adinoff, B., Junghanns, K., Kiefer, F. and Krishnan-Sarin, S., 2005. Suppression of the HPA axis stress-response: implications for relapse. Alcoholism, clinical and experimental research, 29 (7), 1351–5.
Adinoff, B., Krebaum, S. R., Chandler, P. A., Ye, W., Brown, M. B. and Williams, M. J., 2005. Dissection of hypothalamic-pituitary-adrenal axis pathology in 1-month-abstinent alcohol-dependent men, part 2: response to ovine corticotropin-releasing factor and naloxone. Alcoholism, clinical and experimental research, 29 (4), 528–37.
Alarcon, R., Tiberghien, M., Trouillet, R., Pelletier, S., Luquiens, A., Ahmed, S. H., Nalpas, B., Alaux‐Cantin, S., Naassila, M. and Perney, P., 2020. Sugar intake and craving during alcohol withdrawal in alcohol use disorder inpatients. Addiction Biology, 26 (2).
Almand, A. T., Anderson, A. P., Hitt, B. D., Sitko, J. C., Joy, R. M., Easter, B. D. and Almand, E. A., 2022. The influence of perceived stress on the human microbiome. BMC Research Notes, 15 (1), 1–6.
Bailey, M. T., Dowd, S. E., Galley, J. D., Hufnagle, A. R., Allen, R. G. and Lyte, M., 2011. Exposure to a social stressor alters the structure of the intestinal microbiota: Implications for stressor-induced immunomodulation. Brain, Behavior, and Immunity, 25 (3), 397–407.
Bishehsari, F., Engen, P. A., Preite, N. Z., Tuncil, Y. E., Naqib, A., Shaikh, M., Rossi, M., Wilber, S., Green, S. J., Hamaker, B. R., Khazaie, K., Voigt, R. M., Forsyth, C. B. and Keshavarzian, A., 2018. Dietary Fiber Treatment Corrects the Composition of Gut Microbiota, Promotes SCFA Production, and Suppresses Colon Carcinogenesis. Genes, 9 (2).
Blaine, S. K. and Sinha, R., 2017. Alcohol, stress, and glucocorticoids: From risk to dependence and relapse in alcohol use disorders. Neuropharmacology, 122, 136–147.
Brown, V., Morgan, T. and Fralick, A., 2021. Isolation and mental health: thinking outside the box. General Psychiatry, 34 (3), e100461.
Cann, W., Rogers, H. and Matthews, J., 2003. Family Intervention Services program evaluation: A brief report on initial outcomes for families. Australian e-Journal for the Advancement of Mental Health, 2 (3), 208–215.
Carbia, C., Bastiaanssen, T. F. S., Iannone, L. F., García-Cabrerizo, R., Boscaini, S., Berding, K., Strain, C. R., Clarke, G., Stanton, C., Dinan, T. G. and Cryan, J. F., 2023. The Microbiome-Gut-Brain axis regulates social cognition & craving in young binge drinkers. EBioMedicine, 89, 104442.
Chao, A. M., Jastreboff, A. M., White, M. A., Grilo, C. M. and Sinha, R., 2017. Stress, cortisol, and other appetite-related hormones: Prospective prediction of 6-month changes in food cravings and weight. Obesity (Silver Spring, Md.), 25 (4), 713–720.
Chen, Y., Xu, J. and Chen, Y., 2021. Regulation of Neurotransmitters by the Gut Microbiota and Effects on Cognition in Neurological Disorders. Nutrients, 13 (6), 2099.
Clarke, T., Treutlein, J., Zimmermann, U. S., Kiefer, F., Skowronek, M. H., Rietschel, M., Mann, K. and Schumann, G., 2007. REVIEW: HPA‐axis activity in alcoholism: examples for a gene–environment interaction. Addiction Biology, 13 (1), 1–14.
Desbonnet, L., Garrett, L., Clarke, G., Bienenstock, J. and Dinan, T. G., 2008. The probiotic Bifidobacteria infantis: An assessment of potential antidepressant properties in the rat. Journal of Psychiatric Research, 43 (2), 164–174.
Esel, E., Sofuoglu, S., Aslan, S. S., Kula, M., Yabanoglu, I. and Turan, M. T., 2001. Plasma Levels of Beta-Endorphin, Adrenocorticotropic Hormone and Cortisol During Early and Late Alcohol Withdrawal. Alcohol and Alcoholism, 36 (6), 572–576.
İnce Palamutoglu, M., Köse, G. and Bas, M., 2024. Probiotics and Prebiotics Affecting Mental and Gut Health. Healthcare, 12 (5), 510.
Islam, M. F., Guerrero, M., Nguyen, R. L., Porcaro, A., Cummings, C., Stevens, E., Kang, A. and Jason, L. A., 2023. The Importance of Social Support in Recovery Populations: Toward a Multilevel Understanding. Alcoholism Treatment Quarterly, 41 (2), 222–236.
Junghanns, K., Horbach, R., Ehrenthal, D., Blank, S. and Backhaus, J., 2007. Cortisol awakening response in abstinent alcohol-dependent patients as a marker of HPA-axis dysfunction. Psychoneuroendocrinology, 32 (8–10), 1133–1137.
Kadden, R. M. and Litt, M. D., 2011. The role of self-efficacy in the treatment of substance use disorders. Addictive Behaviors, 36 (12), 1120–1126.
Keedwell, P. A., Poon, L., Papadopoulos, A. S., Marshall, E. J. and Checkley, S. A., 2001. Salivary cortisol measurements during a medically assisted alcohol withdrawal. Addiction Biology, 6 (3), 247–257.
Knezevic, E., Nenic, K., Milanovic, V. and Knezevic, N. N., 2023. The Role of Cortisol in Chronic Stress, Neurodegenerative Diseases, and Psychological Disorders. Cells, 12 (23).
Knowles, S. R., Nelson, E. A. and Palombo, E. A., 2008. Investigating the role of perceived stress on bacterial flora activity and salivary cortisol secretion: A possible mechanism underlying susceptibility to illness. Biological Psychology, 77 (2), 132–137.
Koob, G. F. and Volkow, N. D., 2016. Neurobiology of addiction: a neurocircuitry analysis. The lancet. Psychiatry, 3 (8), 760–773.
Lardier, D. T., Coakley, K. E., Holladay, K. R., Amorim, F. T. and Zuhl, M. N., 2021. Exercise as a Useful Intervention to Reduce Alcohol Consumption and Improve Physical Fitness in Individuals With Alcohol Use Disorder: A Systematic Review and Meta-Analysis. Frontiers in Psychology, 12.
Le Moal, M. and Koob, G. F., 2007. Drug addiction: Pathways to the disease and pathophysiological perspectives. European Neuropsychopharmacology, 17 (6–7), 377–393.
Leal-Cerro, A., Soto, A., Martínez, M. A., Dieguez, C. and Casanueva, F. F., 2001. Influence of Cortisol Status on Leptin Secretion. Pituitary, 4 (1), 111–116.
Leclercq, S., Cani, P. D., Neyrinck, A. M., Stärkel, P., Jamar, F., Mikolajczak, M., Delzenne, N. M. and de Timary, P., 2012. Role of intestinal permeability and inflammation in the biological and behavioral control of alcohol-dependent subjects. Brain, Behavior, and Immunity, 26 (6), 911–918.
Leclercq, S., Matamoros, S., Cani, P. D., Neyrinck, A. M., Jamar, F., Stärkel, P., Windey, K., Tremaroli, V., Bäckhed, F., Verbeke, K., de Timary, P. and Delzenne, N. M., 2014. Intestinal permeability, gut-bacterial dysbiosis, and behavioral markers of alcohol-dependence severity. Proceedings of the National Academy of Sciences of the United States of America, 111 (42), E4485-93.
Liu, R. T., Walsh, R. F. L. and Sheehan, A. E., 2019. Prebiotics and probiotics for depression and anxiety: A systematic review and meta-analysis of controlled clinical trials. Neuroscience & Biobehavioral Reviews, 102, 13–23.
Lovinger, D. M., 1997. Serotonin’s role in alcohol’s effects on the brain. Alcohol health and research world, 21 (2), 114–20.
Nelson, J. B., 2017. Mindful Eating: The Art of Presence While You Eat. Diabetes spectrum : a publication of the American Diabetes Association, 30 (3), 171–174.
Nutt, D., Hayes, A., Fonville, L., Zafar, R., Palmer, E. O. C., Paterson, L. and Lingford-Hughes, A., 2021. Alcohol and the Brain. Nutrients, 13 (11).
Oscar-Berman, M. and Marinković, K., 2003. Alcoholism and the brain: an overview. Alcohol research & health : the journal of the National Institute on Alcohol Abuse and Alcoholism, 27 (2), 125–33.
Oscar-Berman, M. and Marinković, K., 2007. Alcohol: Effects on Neurobehavioral Functions and the Brain. Neuropsychology Review, 17 (3), 239–257.
Page, K. A., Seo, D., Belfort-DeAguiar, R., Lacadie, C., Dzuira, J., Naik, S., Amarnath, S., Constable, R. T., Sherwin, R. S. and Sinha, R., 2011. Circulating glucose levels modulate neural control of desire for high-calorie foods in humans. The Journal of Clinical Investigation, 121 (10), 4161–4169.
Schepis, T. S., Rao, U., Yadav, H. and Adinoff, B., 2011. The Limbic–Hypothalamic–Pituitary–Adrenal Axis and the Development of Alcohol Use Disorders in Youth. Alcoholism: Clinical and Experimental Research, 35 (4), 595–605.
Stephens, M. A. C. and Wand, G., 2012. Stress and the HPA axis: role of glucocorticoids in alcohol dependence. Alcohol research : current reviews, 34 (4), 468–83.
Stevens, E. B., Jason, L. A., Ferrari, J. R. and Hunter, B., 2010. Self-Efficacy and Sense of Community among Adults Recovering from Substance Abuse. North American journal of psychology, 12 (2), 255–264.
Swaab, D. F., Bao, A.-M. and Lucassen, P. J., 2005. The stress system in the human brain in depression and neurodegeneration. Ageing Research Reviews, 4 (2), 141–194.
Szyszkowicz, J. K., Wong, A., Anisman, H., Merali, Z. and Audet, M.-C., 2017. Implications of the gut microbiota in vulnerability to the social avoidance effects of chronic social defeat in male mice. Brain, Behavior, and Immunity, 66, 45–55.
Uchino, B. N., Cacioppo, J. T. and Kiecolt-Glaser, J. K., 1996. The relationship between social support and physiological processes: A review with emphasis on underlying mechanisms and implications for health. Psychological Bulletin, 119 (3), 488–531.
Volkow, N. D. and Morales, M., 2015. The Brain on Drugs: From Reward to Addiction. Cell, 162 (4), 712–25.
Wu, W.-L., Adame, M. D., Liou, C.-W., Barlow, J. T., Lai, T.-T., Sharon, G., Schretter, C. E., Needham, B. D., Wang, M. I., Tang, W., Ousey, J., Lin, Y.-Y., Yao, T.-H., Abdel-Haq, R., Beadle, K., Gradinaru, V., Ismagilov, R. F. and Mazmanian, S. K., 2021. Microbiota regulate social behaviour via stress response neurons in the brain. Nature, 595 (7867), 409–414.
Zhou, P., Chen, C., Patil, S. and Dong, S., 2024. Unveiling the therapeutic symphony of probiotics, prebiotics, and postbiotics in gut-immune harmony. Frontiers in Nutrition, 11.