Oleocanthal is an olive oil polyphenol that may have anti-inflammatory effects. We checked levels of oleocanthal in two olive oils claiming to be high in polyphenols from Life Extension and Gundy MD. See how much we found in our Extra Virgin Olive Oil Review, and how this compares to the level in clinically researched olive oil. Also see our Top Picks for extra virgin olive oil.

Olive Oil Mixed With Cheaper Oils?

September 29, 2025

How common is the addition of cheaper oils to olive oils sold in the U.S.? Find out what a recent analysis showed, and what to watch out for, in our Extra Virgin Olive Oil Review, which includes our Top Picks among extra virgin olive oils.