Extra Virgin Olive Oil - Studies and Facts

Our 2026 lab result: 7.97 mg of hydroxytyrosol, tyrosol and their derivatives per 20 g, HPLC-verified six months after harvest — the post-storage number most brands never publish.

Most high-polyphenol olive oil is sold on one number, measured the day it was pressed. Here's what that number means, why the date beside it matters more, and the three questions that separate a real answer from a headline.

Hydroxytyrosol is the small phenolic compound that appears when oleuropein in the crushed olive fruit breaks down during milling. Here is what it is, how it forms in real EVOO, and how to choose a fresh, lab-tested Sicilian bottle.

Discover why Spain's olive oil may lack polyphenols despite massive production. Lab data reveals what 10 major brands won't show you about their oils.

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Learn to identify genuine lab-tested olive oil. Discover what certificates, polyphenol data, and harvest dates reveal about quality and transparency.

Compare lab-tested Sicilian vs Moroccan olive oil polyphenol levels. See verified hydroxytyrosol data and transparency differences between brands.

Papa Vince olive oil contains 10.29mg hydroxytyrosol per 20g serving. View our lab test results and Certificate of Analysis. Transparency matters.

Discover why hydroxytyrosol matters in olive oil. Learn about EFSA's health claim benchmark and how to choose EVOO with proven polyphenol benefits.  

Discover why extra virgin olive oil beats ghee for cooking seafood. Learn how EVOO's antioxidants protect omega-3s during heating. Get the facts now!  

Discover why geography doesn't determine olive oil quality. Learn the 7 key factors that actually create high-polyphenol EVOO beyond just location.