Aristoleo Institute for High Phenolic Olive Oil
Home New2026-10-29T16:02:40+02:00
Aristoleo is a Canadian federal not-for-profit organization.

Verified, not just claimed.

Aristoleo verifies what High Phenolic (HP) EVOO contains and how it's protected.

For producers, Aristoleo Awards ensures verification.
Certification places your brand where informed buyers are looking.

For health-aware individuals, Aristoleo offers a transparent and trustworthy source.

For consumers Find Verified Oils

In the words of certified producers

“Athan and Marilyn have been the biggest mentors to us. They played a significant role in where we are today, and I owe a lot to them: to the work they have put in, and to their passion and their honesty.”

Diamantis Pierrakos · Laconiko

Three Aristoleo Certified brands. First US-Aristoleo Certified facility.

“Since 2021 I have asked Athan questions again and again, and implemented the answers with incredible results. This year I achieved my highest biophenol concentration yet: 2,777 mg/kg.”

Evangelia Gkionis · Evolia

First Aristoleo Award: Bronze. Improved every year since. 2026: the only brand to earn Triple Gold.

DefinedPhenolic profile, by qNMR or LC-MS/MS
VerifiedIndependent defects analysis
ProtectedAristoleo CoolChain™ storage

If you produce HP EVOO

We know your oil is more costly to make and the market doesn't always make it easier to find.

Small yield and higher cost, louder voices with no evidence, and oil that changes after bottling.

Why storage matters

If you're looking for HP EVOO

You've been doing the reading. The claims are loud but too often the fine print is missing.

The most artistic labels can't show what's in the bottle, how it's been stored or how the phenolic potency protected.

What Is High Phenolic Olive Oil?

We know that frustration.

Your guide

Aristoleo is not a brand that entered the wellness space. It's an institute that set a standard because the science demands it and the public deserves it.

2012

Studying and testing HP EVOO begins.

2015

Awards and education introduced.

2020

Certification begins. The Aristoleo CoolChain™ standard is presented to the EU.

Aristoleo was the sole private entity in the EU-funded ARISTOIL Interreg MED programme, and is a Canadian not-for-profit.

Our History

For producers

Register, be verified, certify if you choose

  1. 1Register your brandsOne form for the 2027 Awards
  2. 2Receive verified analysisWhat the Awards verify
  3. 3Apply for CertificationLimited to 25 producers

For consumers

Learn, verify, and choose with confidence

  1. 1Learn what HP EVOO isWhat Is High Phenolic Olive Oil?
  2. 2Check the evidenceHow to Verify High Phenolic Olive Oil
  3. 3Choose verified brandsHow to Choose High Phenolic Olive Oil
Athan Gadanidis

Questions about verification, or about choosing an oil?

Talk with Athan


Why High Phenolic Olive Oil Matters

Olive oil biophenols have been shown to support the protection of blood lipids from oxidative stress—when present at meaningful levels and used consistently.

But not all olive oils deliver these compounds in a reliable way.

Phenolic content can vary widely depending on harvest timing, production methods, storage conditions, and time.

Which means the value of an olive oil
is not just what is measured once—but what is preserved and delivered over time.

Consistency — not just concentration — determines
real health impact.

Latest Insights

The Aristoleo Journal

Research, discoveries, and insights from the Aristoleo community — including Marilyn’s Sunday reflections and periodic Insights from Athan.

Marilyn’s Sunday Journal, with occasional Insights from Athan on the science and discoveries shaping measurable olive oil. Unsubscribe anytime.

Founding Certified · 2026

Eight producers opened the register.

The producers of the 2026 Awards are Aristoleo's Founding Certified cohort. Their brand profiles show what verification looks like in practice.

Without verification, a potent oil and a milder oil look the same in the bottle.

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