Olive oil and inflammation

Extra virgin olive oil contains a compound called oleocanthal that inhibits the same inflammatory enzyme pathways as ibuprofen. The dose is much smaller and the effect is gentler, but the mechanism is the same. Researchers at the Monell Chemical Senses Center identified this in 2005 and it has been replicated consistently since. It is a specific molecular interaction between a food compound and an inflammatory pathway in your body.

What is happening

The polyphenols in extra virgin olive oil, including oleuropein and hydroxytyrosol, are involved in cellular defence pathways and oxidative-stress balance. Studies consistently show that populations consuming high amounts of extra virgin olive oil have lower blood levels of C-reactive protein, an inflammation marker and tumour necrosis factor alpha. These are measurable markers of systemic inflammation, not abstract concepts.

The word extra virgin matters here. Refined olive oil has most of the polyphenols removed during processing. The useful layer is in those polyphenols. High heat also degrades them, which is why cold use, over salads, drizzled over vegetables, on bread, preserves more of the active compounds than frying at high temperatures does. Using refined vegetable oils as your primary cooking fat and reserving olive oil for finishing is a practical way to get the benefit consistently.

What to do next

Two to four tablespoons of extra virgin olive oil daily is the range most studies associate with measurable reductions in inflammation markers. That is a realistic daily amount across meals. It requires no protocol, no supplement stack and no particular discipline. It is a regular part of eating in the parts of Europe where chronic disease rates are among the lowest in the world.

Sources: WHO healthy diet guidance, EUFIC healthy eating guidance, EFSA water guidance, WHO physical activity guidance.

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