The phrase anti-inflammatory diet has been adopted by wellness culture in a way that sometimes obscures the actual evidence. There is no single anti-inflammatory diet in the sense of a defined regimen that has been tested against a control in randomised trials. What does exist is a substantial and consistent body of evidence linking certain dietary patterns and food categories to measurable reductions in inflammatory biomarkers including CRP, interleukin 6, tumour necrosis factor alpha, and neutrophil activity. These patterns share identifiable features that can be applied within various dietary frameworks.
The Mediterranean Pattern: Most Evidence
The Mediterranean dietary pattern, characterised by high consumption of vegetables, fruits, whole grains, legumes, fish, olive oil, and nuts, with moderate wine and low red meat and ultra-processed food intake, is the most extensively studied dietary pattern in relation to inflammation. A meta-analysis of 17 randomised controlled trials found that adherence to the Mediterranean diet significantly reduced hsCRP, interleukin 6, and other inflammatory markers. The PREDIMED trial, involving over 7000 high-risk adults, found that Mediterranean diet supplemented with olive oil or nuts reduced cardiovascular events by 30 percent versus a low-fat diet control.
The Most Anti-Inflammatory Foods
Within the broader dietary pattern, specific food categories have particularly strong evidence. Fatty fish provides EPA and DHA which are converted to anti-inflammatory resolvins. Extra-virgin olive oil contains oleocanthal, which inhibits the same inflammatory enzyme as ibuprofen at equivalent doses consumed in typical Mediterranean quantities. Polyphenol-rich foods including berries, turmeric, dark chocolate, green tea, and pomegranate all have evidence for reducing NF-kB activity, the primary transcription factor controlling inflammatory gene expression. Cruciferous vegetables provide glucosinolates that activate NRF2, the master antioxidant and anti-inflammatory pathway.
The Most Pro-Inflammatory Foods to Reduce
The foods most consistently associated with elevated inflammatory markers are refined carbohydrates and added sugars, which promote AGE formation and insulin spikes; industrially refined vegetable oils high in omega-6 fatty acids including sunflower, corn, and soya oil; trans fats, still present in some processed foods; and red and processed meat consumed at high frequency. Ultra-processed foods combine several of these features and have been prospectively associated with elevated CRP in population cohorts independent of other dietary factors.
- Eat fatty fish at least three times per week: sardines, mackerel, salmon, and anchovies are the best sources of EPA and DHA
- Use extra-virgin olive oil as your primary cooking and dressing fat: approximately 40ml per day matches the quantities used in PREDIMED
- Eat 30 or more plant varieties per week to maximise polyphenol diversity and short-chain fatty acid production
- Eliminate or minimise refined vegetable oils: replace with olive oil, avocado oil, or butter
- Add turmeric with black pepper to cooking: piperine in black pepper increases curcumin bioavailability by 2000 percent
Sources
- Estruch, R., et al. (2013). Primary prevention of cardiovascular disease with a Mediterranean diet. New England Journal of Medicine, 368(14), 1279-1290.
- Schwingshackl, L., & Hoffmann, G. (2014). Mediterranean dietary pattern, inflammation and endothelial function: a systematic review and meta-analysis. European Journal of Nutrition, 53(4), 1029-1046.