5 foods that REALLY ARE addictive

Updated: Mar 29


Many of my patients struggle with food cravings, overeating, binges and weight issues. Most of us actually blame this on poor willpower. It is important to know however, that there are many foods we eat that are truly addictive to the body, which make overeating difficult to avoid.

Several foods contain chemicals known as exorphins, which bind to opioid receptors in the nervous system. These chemicals are quite powerful, and studies have shown that blocking their action with drugs such as naltrexone can treat heroin addiction. Some of us have a higher predisposition to addiction due to our genetic makeup. In these cases, food addiction may be as significant a problem as drug, alcohol or nicotine addiction, resulting in binge eating, obesity and bulimia.

The foods with high exorphin levels that may surprise you are dairy and wheat. This explains why we have an association with these foods as being “comfort foods”, and why we crave them so often. I see many small children who will eat wheat and dairy to the exclusion of all other foods – this is because their bodies crave them intensely.

Here is a list of the foods with the most addictive qualities:

  1. Dairy

  2. Gluten

  3. Coffee

  4. Chocolate

  5. Fructose

Dairy Dairy products contain several chemicals known as ‘casomorphin peptides’. This is what creates our intense cravings for dairy, and cheese especially. No wonder cheese is added to almost all packaged foods – it keeps us reaching for more! It’s also one of the most difficult foods to give up with a food intolerance.


Gluten Gluten-containing grains contain five known ‘gluten exorphins’, which exert this opioid effect on the brain. Gluten is found in wheat, spelt, kamut, rye, barley, and less in oats. Most people who have given up gluten find that their food cravings are reduced, they have lost weight and they are less distracted by foods.


Coffee Coffee not only contains caffeine which is addictive to the body, but also cafestrol which is found in both caffeinated and decaffeinated coffee. Cafestrol has potent morphine-like activity so it’s amazing that even decaf coffee can be addictive.


Chocolate Chocolate contains a chemical called epicatechin that acts on opioid receptors, which has been studied to protect the heart from injury associated with low oxygen. In animal studies, the opioid-blocking drug naloxone, has been shown to reduce chocolate cravings, suggesting that part of the reason we love chocolate so much has to do with the opioid response in the brain.


Fructose Fructose, which is widely found in packaged foods and pop as high-fructose corn syrup, has been shown to increase endogenous morphine levels after ingestion. It stimulates what is called the ‘hedonic pathway’ in the brain (similarly to alcohol), creating habituation and possibly dependence.


If you are struggling with binging, overeating, bulimia or hard-to-manage food cravings, I would suggest taking the foods listed above out of your diet for 4 weeks to reset your system, and reduce cravings. Choose non-dairy milk alternatives, gluten-free grains, and avoid sugar, chocolate and coffee. Expect some discomfort, mood swings and cravings for the first week, but you will be amazed that by the end of the month, your cravings for foods will be more manageable, and you will find yourself eating out of hunger rather than craving.

Remember – food cravings are not only about willpower. There is often a physiological reason for them. For many of us, simply avoiding these ‘addictive’ foods can create so much more peace with food.

Disclaimer Please note that content on this website is intended for informational purposes only, and is not intended as a substitute for the advice provided by your physician or other healthcare professional, not is it meant to diagnose or treat a health problem, symptom or disease. Always speak with your physician or other healthcare professional before taking any medication or nutritional supplement, or using any treatment for a health problem. If you have or suspect that you have a medical problem, contact your health care provider promptly. Do not disregard professional medical advice or delay in seeking professional advice because of something you have read on this website. Information provided on this website DOES NOT create a doctor-patient relationship between you and any doctor affiliated with our website.

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