Mental Health | 5 min read

How Healthy Eating Can Help You Stay Sober

Medically Reviewed

Medically Reviewed By

Dr. Po-Chang Hsu

On September 4, 2022

Written By

Amanda Stevens, B.S.

On February 11, 2019

how healthy eating can help you stay sober
Reading Time: 5 minutes

For those recovering from substance abuse and addiction, getting the body back to a healthy state of homeostasis can prolong life and help mitigate the side effects and cravings associated with ceasing drug use. Eating healthy is a solid approach toward regaining your physical and mental equilibrium and can aid the medical detox process and your journey toward wholeness.

Persistent drug and alcohol abuse negatively affects the body’s condition in multiple ways. Some substances block the body’s ability to properly process vitamins and minerals, meaning that vital nutritional components, such as potassium and niacin, are passed through the system without having an opportunity to work.[1] Certain drugs, such as opiates, also tend to elevate blood sugar levels, resulting in the user developing type 2 diabetes or even lapsing into a diabetic coma.[2]

With many substances, there is also a side effect of dehydration.[3] Without adequate fluid levels in the body, vital systems cannot receive the needed support. Symptoms of dehydration include dry mouth, infrequent urination, and dizziness. Acute, devastating symptoms arise as a response to lowered blood volume and a lack of electrolytes, resulting in a lack of oxygen, seizures, and kidney failure. Substances that are particularly prone to causing dehydration are alcohol and amphetamines.

Replenishing the body’s supply of fluids and nutrients is a vital part of successful addiction recovery. The experience of treating yourself well through mindful eating can result in a healthy, lasting change in lifestyle perspective.

Physical Benefits of Healthy Eating

When choosing foods best to support your recovery from your drug of choice, consider what your body has been lacking due to your substance abuse. Certain substances affect specific bodily systems more than others, and determining your nutritional deficits is a good starting point. In some cases, it may be beneficial to undergo a blood panel procedure with your medical provider. Blood tests can reveal deficits and excesses in your current condition, providing a roadmap for your new nutritional goals. Some of the vital nutrients and their benefits in aiding recovery are listed below:

  • Niacin: A niacin deficiency can result in skin irritation, diarrhea, and mental confusion.[4] Alcohol is a specific culprit in reducing the body’s supply of niacin, but other substances reduce this nutrient, as well. Proper levels of niacin result in improved metabolism, a more efficient nervous system, and increased antioxidants to combat damaging free radicals within the body. Niacin is not stored for long within the body, so a regular supply is necessary. Foods that can be incorporated into a niacin-rich diet include fish, chicken, beef, and pork. For vegetarians, foods such as peanuts, avocados, mushrooms, and potatoes can supply this nutrient.
  • Potassium: Potassium can conduct electricity within the body. The presence – or absence – of potassium affects the body’s ability to transmit signals to nerves and regulate fluid levels. A lack of potassium can result in weakness, muscle cramps, abdominal issues, and heart palpitations, which are the acute symptoms of opiate withdrawal.[5] Additionally, potassium can help remove excess sodium from the body, potentially leading to a reduction in hypertension. Foods rich in potassium include many fruits, cooked spinach, broccoli, eggplant, and cucumbers. Mushrooms and potatoes also make another appearance in this category.
  • Vitamin D: Not only is vitamin D vital for forming strong bones and a healthy immune system, but lack of it has also been implicated in cancer development. This nutrient helps cells communicate properly. A deficiency in vitamin D can result in frequent illnesses, fatigue, muscle pain, and even depression.[6] Getting a healthy dose of daily sunlight is the primary way to replenish the vitamin in your body, but certain foods can also assist. Foods rich in vitamin D include dairy products, egg yolks, and fish.
  • Thiamin: Thiamin is one of the essential B vitamins. It helps the body to regulate sugars and contributes to healthy heart and muscle function. However, unlike with other nutrients, the presence of adequate levels of thiamine is not discernible through a blood test. Symptoms of a thiamin deficiency include poor memory, poor sleep habits, impaired reflexes, and muscle cramps.[7] These symptoms also tend to be present during withdrawal from addictive substances. The primary way to add more thiamin to your body is to eat whole-grain foods, such as bread, rice, and oatmeal.

Psychological Benefits of Healthy Eating

In addition to the physical benefits, a healthy diet is increasingly recognized as a vital component of maintaining our psychological well-being. As mentioned, nutrients within a healthy diet can directly assist in relieving the negative psychological experiences often present during withdrawal and recovery. Emerging studies also indicate that, in addition to the specific anxiety and depression relieving effects of some vitamins and minerals, choosing to follow a healthy diet may improve mental health overall.

The psychological effect that can arise from a focus on healthy eating can be its reward. This “food-mood connection” suggests that individuals who regularly eat nutritious food experience more peaceful and positive emotions throughout their day.[8] In addition, the energy gained from nutrition-rich foods is better sustained, and it is free from the crushing effects experienced with sugar, caffeine, and other stimulants. So, not only are those who eat healthy happier, but they also have more daily energy to devote to their recovery.

As experiencing negative thoughts and emotions is a primary risk factor in relapse, promoting psychological wellness through engaging in healthy eating can be an essential safeguard.[9] Successful drug treatment programs will benefit from incorporating this nutrition focus into their holistic recovery approach. Numerous online resources are available to help individuals improve their nutritional habits independently.

Addiction and Nutrition: How a Healthy Diet Supports Withdrawal, Cravings, and Long-Term Sobriety

Addiction doesn’t just take a psychological toll. It alters your body’s chemistry, damages organs, disrupts metabolism, and depletes the nutrients that keep you mentally and physically balanced. That’s why addiction nutrition is a core aspect of recovery programs. While a nutrient-dense diet can’t replace therapy or medication, it creates a strong foundation for maintaining energy and resilience while overcoming addiction.

Addiction, Nutrition, and Withdrawal

The early days of recovery are physically grueling. Withdrawal symptoms like insomnia, nausea, anxiety, and fatigue are common. Your body is working hard to reset itself, and nutrition can act as a buffer to reduce symptom severity and promote recovery.

Here are some important nutrients to support this process:[10]

  • B vitamins rebuild the nervous system and reduce brain fog
  • Magnesium calms the body and reduces irritability and muscle cramps
  • Amino acids from protein-rich foods aid neurotransmitter recovery
  • Antioxidants fight inflammation and help the liver
  • Electrolytes from potassium- and sodium-rich foods restore fluid balance

Hydration is also important. Substances like alcohol and opioids can cause severe dehydration. Drinking water and electrolyte-replenishing fluids can help alleviate headaches and enhance cognitive function.

Fighting Cravings with Food

Many cravings in recovery are triggered by physiological factors, not just emotional ones. Nutrient deficiencies and unstable blood sugar levels can cause symptoms that mimic the desire to use drugs or alcohol.[11]

Low blood sugar can feel like anxiety or panic, leading to cravings for alcohol. Eating complex carbohydrates every few hours helps regulate blood sugar levels and prevent crashes. A magnesium deficiency can cause insomnia and nervousness, both of which are common triggers for relapse.[12] Low dopamine levels can leave you feeling flat or unmotivated, but protein-rich meals support dopamine production.

Eating consistent, balanced meals can regulate these systems and help reduce cravings before they start, making nutrition for sobriety an important relapse prevention strategy.

Repairing the Gut-Brain Connection

The gut is vital in recovery. Often referred to as “the second brain,” the gut produces many of the same neurotransmitters that regulate mood and emotion.[13] Substance use can disrupt gut bacteria and damage the intestinal lining, contributing to both digestive issues and mental health challenges like anxiety or depression.

Some ways to support your gut and overall wellness include:

  • Adding fermented foods like yogurt, kefir, kimchi, and sauerkraut
  • Eating fiber-rich foods, such as prebiotics like oats, garlic, and asparagus
  • Avoiding processed and fried foods that promote inflammation
  • Drinking plenty of water

When you heal your gut, you can experience more consistent moods, improved digestion, and enhanced mental clarity, all of which contribute to long-term recovery.

Nutrition for Emotional Balance

Making healthy food choices can boost your confidence, reinforce daily structure, and contribute to your overall self-care. For people in recovery, cooking and sharing meals become an act of routine, structure, and empowerment.

These mindful habits foster accountability and encourage you to trust yourself and listen to your body’s needs. You may also derive enjoyment from trying new foods and introducing variety to your diet, especially after experiencing malnutrition that may have accompanied substance use.

Get Started with Addiction Treatment

Ascendant offers drug and alcohol addiction treatment in New York. If you or a loved one is struggling with addiction and seeking a drug or alcohol rehab center near you, give us a call today to learn more about our process and programs. We are here for you.

Frequently Asked Questions About Addiction, Nutrition, and Recovery from Substance Abuse

What Is Addiction Nutrition and Why Is It Important?

Addiction nutrition refers to the use of targeted dietary strategies to support recovery from substance abuse. Nutrition is essential to stabilize moods, reduce cravings, support organ function, and repair deficiencies caused by drug and alcohol use.

How Does Poor Nutrition Affect Recovery?

Poor nutrition can increase fatigue, irritability, depression, and anxiety, making recovery much more difficult. Nutritional deficiencies caused by prolonged substance use may also slow the healing process, impair brain function, and intensify withdrawal symptoms.

What Foods Are Important in Recovery?

It’s best to focus on whole, nutrient-dense foods, such as lean proteins like chicken and fish, and complex carbohydrates like oats, brown rice, and sweet potatoes. Healthy fats, such as those found in avocados and nuts, can support brain health, while fruits and vegetables rich in antioxidants, fiber, and vitamins promote overall well-being and healing.

Ascendant New York Editorial Guidelines

Here at Ascendant New York, we understand the importance of having access to accurate medical information you can trust, especially when you or a loved one is suffering from addiction. Find out more on our policy.

MEDICAL CONTENT WRITER

Amanda Stevens, B.S.

Amanda is a prolific medical content writer specializing in eating disorders and addiction treatment. She graduated Magna Cum Laude from Purdue University with a B.S. in Social Work. Read more

Find Out if You Are Covered by Insurance

VERIFY INSURANCE

Sources

[1] Mahboub, N., Rizk, R., Karavetian, M., & de Vries, N. (2021, May 12). Nutritional status and eating habits of people who use drugs and/or are undergoing treatment for recovery: A narrative review. Nutrition reviews. https://pmc.ncbi.nlm.nih.gov/articles/PMC8114851/

[2] Koekkoek, L. L., van der Gun, L. L., Serlie, M. J., & la Fleur, S. E. (2022a, July). The clash of two epidemics: The relationship between opioids and glucose metabolism. Current diabetes reports. https://pmc.ncbi.nlm.nih.gov/articles/PMC9188528/

[3] Alcohol and other drugs. Pre-hospital guideline: Illicit substance-induced dehydration. (n.d.). https://www.health.nsw.gov.au/aod/Pages/illicit-substance-induced-dehydration.aspx

[4] Redzic, S. (2023, July 25). Niacin deficiency. StatPearls [Internet]. https://www.ncbi.nlm.nih.gov/books/NBK557728/

[5] Mayo Foundation for Medical Education and Research. (2025, March 21). Low potassium (hypokalemia) causes. Mayo Clinic. https://www.mayoclinic.org/symptoms/low-potassium/basics/causes/sym-20050632

[6] Kaur, J. (2025, February 15). Vitamin D deficiency. StatPearls [Internet]. https://www.ncbi.nlm.nih.gov/books/NBK532266/

[7] U.S. Department of Health and Human Services. (n.d.). Office of dietary supplements – thiamin. NIH Office of Dietary Supplements. https://ods.od.nih.gov/factsheets/Thiamin-HealthProfessional

[8] The food-mood connection. Harvard Health. (n.d.). https://www.health.harvard.edu/mind-and-mood/the-food-mood-connection

[9] Effects of major depression on remission and relapse of substance dependence | depressive disorders | jama psychiatry | jama network. (n.d.-c). https://jamanetwork.com/journals/jamapsychiatry/fullarticle/206176

[10] Mahboub, N., Rizk, R., Karavetian, M., & de Vries, N. (2021a, May 12). Nutritional status and eating habits of people who use drugs and/or are undergoing treatment for recovery: A narrative review. Nutrition reviews. https://pmc.ncbi.nlm.nih.gov/articles/PMC8114851/

[11] EL;, J. K. (n.d.). The importance of nutrition in aiding recovery from Substance Use Disorders: A Review. Drug and alcohol dependence. https://pubmed.ncbi.nlm.nih.gov/28806640/

[12] Sinha, R. (2008, October). Chronic stress, drug use, and vulnerability to addiction. Annals of the New York Academy of Sciences. https://pmc.ncbi.nlm.nih.gov/articles/PMC2732004/

[13] American Psychological Association. (n.d.). Monitor on psychology. https://www.apa.org/monitor/2012/09/gut-feeling