Anti-Inflammatory Foods: Claims Checked
A plain check of "anti-inflammatory food" claims against systematic reviews: what changed in blood markers, what is only an association, and what the sources do not show.
Content last updated . This page has not been medically reviewed.
Safety first. Supplements can cause side effects and interact with medicines. Read mushroom safety and interactions before you use any mushroom product.
The claim, as it is often marketed
"Eat anti-inflammatory foods to calm inflammation, ease pain or prevent disease." Versions of this claim appear for berries, olive oil, nuts, fish and spices, and for whole eating patterns. This page checks what the research reviews we read actually measured. For a quick overview of food claims, see food claim checks.What "anti-inflammatory" usually means in studies
In the reviews we read, trials mostly measured blood markers such as C-reactive protein (CRP) and interleukin-6 (IL-6). [1][2] A change in a marker is not the same as fewer symptoms or less disease. The studies below are labelled by what they measured.Eating patterns and food: what the sources found
| Question | What the source found | Strength of evidence |
|---|---|---|
| Does a Mediterranean diet lower inflammation markers? | A 2026 review of 33 randomized trials (3,476 people) found significant reductions in hs-CRP, IL-6 and IL-17 compared with a control diet, but no significant effect on standard CRP, IL-10 or TNF-alpha. The authors said higher-quality studies are needed to confirm the findings. [1] | Promising but limited. Biomarker changes, not symptoms or disease. |
| Is the Mediterranean diet different from other patterns? | A 2022 review of 22 trials found the Mediterranean diet showed the most prominent reductions of inflammatory markers, with no substantial effects for the DASH, vegetarian or vegan patterns. [2] | Promising but limited. Fewer trials of other patterns. |
| Do "anti-inflammatory diets" reduce pain in rheumatoid arthritis? | A 2021 review of 7 trials (326 people) found lower pain on a 10 cm scale (about 9 mm lower) than on ordinary diets. All studies had a high risk of bias, and the authors rated the evidence as very low. [3] | Insufficient evidence. |
| Are "more inflammatory" diets linked to disease? | A 2018 review compared the most pro-inflammatory with the most anti-inflammatory diets by a scoring index, and found higher all-cause mortality for the most pro-inflammatory diets, but no significant link with metabolic syndrome. [4] | Observational association, based on a scoring system. Not proof that a food causes harm. |
| Do nuts lower inflammation markers? | A 2017 review of 32 randomized trials found small, non-significant differences in CRP and a lack of consistent evidence of an effect on inflammation. [5] | Mixed to insufficient evidence for markers. |
| Does olive oil lower inflammation markers? | A 2024 meta-analysis of 33 trials found no significant effect of extra virgin olive oil on CRP, IL-6 or TNF-alpha, though it found lower insulin and insulin resistance scores. [6] A 2020 review reported lower inflammation markers with regular olive oil, and called for more research against other fats. [7] | Mixed. The two reviews disagree. |
Things to keep in mind
- Patterns, not single foods. The best-supported results are for whole eating patterns, mainly the Mediterranean pattern, not for a single "inflammation-fighting" food. See dietary patterns studied.
- Foods are compared with something. A result is for a food or diet compared with a control diet in that study, not a promise that adding one food on top of everything else will lower a marker. [1]
- Scoring systems are not trials. The inflammation-score reviews rely on observational cohorts, and the authors say more cohort studies are needed. [4]
- Spices and supplements are different from foods. Culinary turmeric or ginger is not the same as a turmeric extract or capsule. See turmeric as a food versus a supplement and the turmeric herb profile. We did not review extract trials here.
- Seed oils. For the claim that seed oils cause inflammation, see seed oils and inflammation claims checked.
What a reader can safely do
Check the label for added sugar and sodium (reading food labels), ask a dietitian about an eating pattern that fits your health conditions and medicines, and be cautious about products or programs that promise to "reduce inflammation." If a food or product is sold with a disease claim, see claims on labels.Frequently asked questions
Which foods are anti-inflammatory?
No source we read names a single food that reliably lowers inflammation. The strongest findings are for the Mediterranean pattern and blood markers, not symptoms. [1][2]
Does an anti-inflammatory diet help arthritis?
A 2021 review found lower pain with such diets in rheumatoid arthritis, but all included studies had a high risk of bias and the evidence was rated very low. [3] Discuss any change with your rheumatology team.
Does olive oil reduce inflammation?
Reviews disagree. A 2024 meta-analysis found no significant effect on CRP, IL-6 or TNF-alpha, and a 2020 review reported beneficial effects on inflammation markers. [6][7] See extra virgin olive oil.
Do nuts reduce inflammation?
A 2017 review of randomized trials did not find consistent effects of nuts on inflammation markers. [5] See nuts and heart health.
What is an "inflammatory food"?
In the review we read, researchers scored diets as more or less inflammatory, and the most pro-inflammatory diets were associated with higher mortality in cohort studies. This shows an association within an index, not that one food is harmful. [4]
More details: evidence, limits and cautions
The details behind this page: cautions, limits of the evidence and where sources disagree. Open any note to read it.
Safety first
The Mediterranean-diet review describes inflammation as playing a pivotal role in chronic diseases such as cardiovascular disease, diabetes and neurodegenerative disorders. [1] Food is not a substitute for treatment. Anyone with a diagnosed inflammatory condition should talk to their clinician before changing treatment, and should never stop or change a prescribed medicine because of a diet; ask the prescriber or pharmacist. Nut, fish and other food allergies still apply to any "anti-inflammatory" food. See food allergy basics.
References
- Keshani M et al. Mediterranean Diet Reduces Inflammation in Adults: A Systematic Review and Meta-analysis of Randomized Controlled Trials. Nutr Rev 2026. PMID 41211687. Read 2026-10-23.
- Koelman L, Egea Rodrigues C, Aleksandrova K. Effects of Dietary Patterns on Biomarkers of Inflammation and Immune Responses: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Adv Nutr 2022. PMID 34607347. Read 2026-10-23.
- Schönenberger KA et al. Effect of Anti-Inflammatory Diets on Pain in Rheumatoid Arthritis: A Systematic Review and Meta-Analysis. Nutrients 2021. PMID 34959772. Read 2026-10-23.
- Namazi N, Larijani B, Azadbakht L. Dietary Inflammatory Index and its Association with the Risk of Cardiovascular Diseases, Metabolic Syndrome, and Mortality: A Systematic Review and Meta-Analysis. Horm Metab Res 2018. PMID 29723899. Read 2026-10-23.
- Neale EP et al. The effect of nut consumption on markers of inflammation and endothelial function: a systematic review and meta-analysis of randomised controlled trials. BMJ Open 2017. PMID 29170286. Read 2026-10-23.
- Morvaridzadeh M et al. Effect of Extra Virgin Olive Oil on Anthropometric Indices, Inflammatory and Cardiometabolic Markers: a Systematic Review and Meta-Analysis of Randomized Clinical Trials. J Nutr 2024. PMID 37977313. Read 2026-10-23.
- Fernandes J et al. Is olive oil good for you? A systematic review and meta-analysis on anti-inflammatory benefits from regular dietary intake. Nutrition 2020. PMID 31539817. Read 2026-10-23.
Education, not medical advice. This page is for general information. It does not diagnose or treat any condition and is not a substitute for care from a qualified health professional. Natural does not automatically mean safe. Ask a clinician or pharmacist before changing your care, especially if you take medication, are pregnant or breastfeeding, or have a health condition.