Last updated: March 28, 2026 Quick Answer Olive oil — especially extra virgin olive oil (EVOO) — is one of the most well-researched dietary fats in nutrition science. Its health benefits come primarily from its high monounsaturated fat content (mainly oleic acid), a rich concentration of polyphenols, and anti-inflammatory compounds like oleocanthal. Regular consumption … Continue reading 15 Proven Health Benefits of Olive Oil (And What the Science Actually Says)