Studies connect whole grain intake with reduced inflammation in healthy adults.
Wheat has been a dietary staple for thousands of years, nourishing civilizations and shaping cultures. But in recent years, it’s faced increased scrutiny — particularly around whether it contributes to inflammation in the body. If you’ve ever wondered whether you should be cutting wheat out of your meals to reduce inflammation, you’re not alone. Let’s take a look at what the science actually says.
What is inflammation?
First, a quick refresher. Inflammation is your body’s natural response to injury or infection. It’s how your immune system protects and heals. But not all inflammation is helpful. Chronic inflammation — when your body stays in a state of alert long-term — can be harmful and is linked to many health conditions like arthritis, heart disease and even certain cancers.
So, where does wheat come in?
Some people have specific conditions that cause them to react negatively to wheat. These conditions are real and medically recognized — but they are not especially common.
• Celiac disease is an autoimmune condition where consuming gluten (a protein found in wheat, barley and rye) damages the small intestine and causes widespread inflammation. Celiac disease affects about 1 in 100 Americans.
• Wheat allergy is an immune reaction to proteins found in wheat and can trigger inflammation and other allergy symptoms. Wheat allergy is even less common, affecting roughly 1 in 200 to 1 in 500 people, depending on age group.
• Non-celiac gluten sensitivity is less well understood but may cause discomfort and inflammation-like symptoms in people who don’t test positive for celiac disease or wheat allergy. Non-celiac gluten sensitivity does not have a clear diagnostic test, but current research suggests it may affect somewhere between 1 in 20 and 1 in 200 people.
In other words, while wheat can cause inflammation in individuals with specific medical conditions, those conditions affect a relatively small portion of the population.
For the general population, most people can eat wheat foods as part of a healthy diet.
What the research shows
For most healthy people, whole wheat does not cause inflammation. In fact, whole grains like wheat are often associated with reduced inflammation due to their high fiber content and beneficial compounds like antioxidants, B vitamins and minerals.
Multiple studies have shown that people who consume more whole grains tend to have lower levels of inflammatory markers like C-reactive protein. This is likely because fiber supports gut health, which plays a key role in regulating the immune system and inflammation.
However, ultra-processed foods that contain refined wheat with lots of added sugar and fat may contribute to inflammation — not because of the wheat itself, but because of the nutrient content in relation to high levels of processed ingredients.
The bottom line
Wheat doesn’t cause inflammation for most people. Unless you have celiac disease, a wheat allergy or a diagnosed gluten sensitivity, whole wheat can be part of a healthy, anti-inflammatory diet. It’s rich in fiber, vitamins and minerals that support your body’s natural defenses.
If you suspect wheat is causing problems for you, talk to a registered dietitian. They can help determine if you have a sensitivity or allergy and guide you through any dietary changes safely.
Choosing the right wheat
If you’re looking to include wheat in your diet while supporting overall health:
- Choose whole wheat products like whole wheat bread, pasta and flour.
- Reduce intake of heavily processed baked goods with added sugars and unhealthy fats.
- Pair whole wheat with a variety of other whole foods — fruits, vegetables, legumes and high-quality proteins.
Wheat has been nourishing people for generations and with the right choices, it can continue to be a wholesome part of your diet.
Resources
Masters, R. C., Liese, A. D., Haffner, S. M., Wagenknecht, L. E., & Hanley, A. J. (2010). “Whole and refined grain intakes are related to inflammatory protein concentrations in human plasma.” Journal of Nutrition, 140(3), 587–594. https://pmc.ncbi.nlm.nih.gov/articles/PMC2821887/
Ye, E. Q., Chacko, S. A., Chou, E. L., Kugizaki, M., & Liu, S. (2012). “Greater whole-grain intake is associated with lower risk of type 2 diabetes, cardiovascular disease, and weight gain.” Journal of Nutrition, 142(7), 1304–1313. https://pubmed.ncbi.nlm.nih.gov/22649266/
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). “Celiac Disease.” https://www.niddk.nih.gov/health-information/digestive-diseases/celiac-disease
American College of Allergy, Asthma & Immunology (ACAAI). “Wheat Allergy.” https://acaai.org/allergies/allergic-conditions/food/wheat-gluten/
Harvard T.H. Chan School of Public Health. “The Nutrition Source: Whole Grains.” https://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/whole-grains/
Cleveland Clinic. “Anti-Inflammatory Diet: Foods List and Benefits.” https://health.clevelandclinic.org/9-diet-tips-to-help-you-fight-inflammation
Schwingshackl, L., Hoffmann, G., Lampousi, A. M., et al. (2017). “Food groups and risk of type 2 diabetes mellitus: a systematic review and meta-analysis of prospective studies.” European Journal of Epidemiology, 32, 363–375. https://doi.org/10.1007/s10654-017-0246-y
Qi, L., van Dam, R. M., Liu, S., Franz, M., Mantzoros, C., & Hu, F. B. (2006). “Whole-grain, bran, and cereal fiber intakes and markers of systemic inflammation in diabetic women.” Diabetes Care, 29(2), 207–211. https://doi.org/10.2337/diacare.29.02.06.dc05-1904
Kelly, S. A., Summerbell, C. D., Brynes, A., Whittaker, V., & Frost, G. (2007). “Wholegrain cereals for coronary heart disease.” Cochrane Database of Systematic Reviews. https://doi.org/10.1002/14651858.CD005051.pub2
Rubio-Tapia, A., Ludvigsson, J. F., Brantner, T. L., Murray, J. A., & Everhart, J. E. (2012). “The prevalence of celiac disease in the United States.” American Journal of Gastroenterology, 107(10), 1538–1544. https://doi.org/10.1038/ajg.2012.219
Catassi, C., Elli, L., Bonaz, B., et al. (2015). “Diagnosis of non-celiac gluten sensitivity (NCGS): The Salerno Experts’ Criteria.” Nutrients, 7(6), 4966–4977. https://doi.org/10.3390/nu7064966
Reilly, N. R. (2016). “The gluten-free diet: Recognizing fact, fiction, and fad.” Journal of Pediatrics, 175, 206–210. https://doi.org/10.1016/j.jpeds.2016.04.014
Slavin, J. (2013). “Fiber and prebiotics: Mechanisms and health benefits.” Nutrients, 5(4), 1417–1435. https://doi.org/10.3390/nu5041417