About Best Olive Oil Ranked
Science-backed rankings of the world's highest polyphenol extra virgin olive oils.
Our Mission
We believe consumers deserve transparent, lab-verified data when choosing olive oil for their health. Not all extra virgin olive oils are created equal — polyphenol content can vary from under 100 mg/kg to over 1,500 mg/kg depending on the cultivar, harvest timing, and processing methods.
Our rankings focus exclusively on oils with verified laboratory testing (HPLC, qNMR, or other recognized methods) that document polyphenol content. We don't accept paid placements — rankings are based purely on verified polyphenol levels.
Our Methodology
Lab-Verified Only
We only include oils with documented third-party laboratory testing. HPLC and qNMR are the gold standards — we clearly label which method was used for each oil.
Standardized Scoring
Since HPLC and NMR methods can produce different values, we apply a 0.6 conversion factor to NMR/Other results to create comparable HPLC-equivalent scores.
Fresh Harvests Only
Polyphenols degrade over time. We prioritize oils from the current or most recent harvest season to ensure you're getting maximum health benefits.
Source Transparency
Where available, we link directly to certificates of analysis (COAs) so you can verify the polyphenol content yourself.
Why Polyphenols Matter
The European Food Safety Authority (EFSA) has approved a health claim for olive oil polyphenols: oils containing at least 250 mg/kg of polyphenols can claim to help protect blood lipids from oxidative stress when consumed as part of a balanced diet (about 20g daily).
Cardiovascular
31% reduction in CVD risk with high EVOO intake
Cognitive
Supports brain health and may reduce dementia risk
Longevity
Key component of Blue Zone Mediterranean diets
Affiliate Disclosure
Some links on this site are affiliate links. If you purchase through these links, we may earn a small commission at no extra cost to you. This helps support our research and keeps the site running. Affiliate relationships never influence our rankings — oils are ranked purely by verified polyphenol content.
Questions or Suggestions?
Know of a high-polyphenol oil we're missing? Have lab results to share? We'd love to hear from you.
View Current Rankings