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6 things to know about olive polyphenols and inflammation.

Chronic, low-grade inflammation is one of the quiet drivers behind how we age, and it never announces itself. Olive polyphenols help support your body's defenses against the oxidative stress that runs alongside it, and Olivea puts 20 mg of the most-studied one, hydroxytyrosol, into one daily capsule.

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4.9 · 30,000+ customers · 648+ physicians
Olivea olive polyphenol capsule — 20 mg hydroxytyrosol
Olive polyphenol research covered in:
Harvard Health PublishingYale School of Public HealthCleveland ClinicMayo ClinicAmerican College of Cardiology

  1. The inflammation that matters is silent.

    Not the swollen-ankle kind. The type that shapes how you age is quiet and low-grade, the sort you never actually feel. Researchers even have a name for the way it tracks with aging: inflammaging. It's one of the threads they keep pulling on to explain why some bodies hold up better over the decades. You can't feel it, which is exactly why it's worth getting ahead of now.

    Low-grade inflammation · a research focus in healthy aging.

    Blood cells — silent, low-grade inflammation shows up in your blood

  2. Olive polyphenols are a food, not a drug.

    You're not reaching for a lab-made pill. This is the antioxidant inside extra virgin olive oil, hydroxytyrosol, the same thing behind the Mediterranean diet's reputation. Olivea just concentrates it into a real daily dose, so you skip drinking oil by the shot to get there.

    5,000+ years of human use · the active polyphenol in olive oil.

    Olive harvest — the source of hydroxytyrosol

  3. Olive polyphenols are powerful antioxidants.

    Think of oxidative stress as rust: the slow damage from unstable molecules called free radicals. It tends to run right alongside that quiet inflammation. Hydroxytyrosol is a potent antioxidant, which means it helps neutralize those molecules and support your body's own defenses. It's also the olive polyphenol EFSA recognizes for contributing to the protection of blood lipids from oxidative stress.

    EFSA Scientific Opinion 2011 · protection of blood lipids from oxidative stress.

    Olive polyphenol oil — hydroxytyrosol, an olive antioxidant

  4. Backed by bloodwork, not guesswork.

    This isn't a hunch. In one of the largest studies of its kind, over 500,000 people, researchers measured polyphenols directly in people's blood. Higher levels lined up with lower hsCRP, the standard marker doctors use for this kind of inflammation. Real measurements, real marker.

    Harms et al. · EPIC cohort · British Journal of Nutrition · 2020.

    Olivea capsule with olive oil — daily polyphenol ritual

  5. Doctor-developed. Lab-verified.

    You shouldn't have to guess what's in your morning capsule. Olivea was built with a Harvard-trained cardiologist and a board of respected physicians. Inside each one: concentrated olive extract suspended in real extra virgin olive oil, third-party tested every batch. No mystery, no filler.

    Harvard-trained cardiologist · medical advisory board · third-party verified.

    Olivea cap-in-cap design — olive extract inside extra virgin olive oil

  6. One capsule a day. That's it.

    No routine to overhaul, no oil to choke down. One small capsule in the morning and you're done. The research is built on taking it daily, so the whole point is making it easy enough to actually stick with.

    30-day supply · 20 mg hydroxytyrosol per capsule · cancel anytime.

    Olivea capsule jar — daily antioxidant defense

Olivea capsule vs. olive oil shot.

Olivea capsule
Olive oil shot (30 ml)
Hydroxytyrosol per dose
20 mg
1 – 3 mg
EFSA threshold (5 mg / day)
4× over
Rarely met
Total polyphenols per dose
36 mg
~3 mg
Calories per dose
5
~250
Daily format
1 capsule
30 ml liquid
Lab tested for potency
✓ Every batch
Rarely

Grocery-store extra virgin olive oil typically carries ~100 mg/kg total polyphenols after shelf time. Matching Olivea's 36 mg from oil alone ≈ 400 ml of oil daily (~13 shots, ~3,300 calories). Hydroxytyrosol is one specific polyphenol within that total — and the only one with an EFSA-recognized health claim for protection of blood lipids from oxidative stress. Individual oils vary.

Trusted by physicians

Recommended by doctors.

Verified clinician
Hydroxytyrosol is one of the most powerful antioxidants found in nature. Its job is to neutralize the free radicals behind oxidative stress. Most people won't realistically consume enough olive oil to get a meaningful amount of hydroxytyrosol in their diet, so I love that Olivea has included such a significant dose to help fill any nutrient gaps.
Dr. Stuart Felzer, MD
Dr. Stuart Felzer, MDInternal Medicine · 44 years in practice · Verified clinician via FrontrowMD

A simple daily habit, backed by serious science.

One Olivea capsule delivers 20 mg of hydroxytyrosol, the most-studied olive polyphenol in nutrition science. An antioxidant your body has run on for thousands of years on the Mediterranean diet, now in a single daily capsule.

500k+
Participants in the EPIC cohort
Plasma polyphenols vs hsCRP (Harms 2020)
5,000+
Years of olive oil in the Mediterranean diet
A daily ritual since antiquity
20 mg
Hydroxytyrosol per Olivea capsule
4× the EFSA daily threshold
30k+
Customers in the Olivea community
4.9★ verified reviews

Individual results vary.

The product
Olivea Hydroxytyrosol Supplement
LAB ANALYSISSee 3rd party test results

Olivea Hydroxytyrosol Supplement

A clinically studied dose of the molecule recognized by EFSA, sourced from early-harvest Koroneiki olives in Messinia, Greece.

  • Developed with Harvard-trained cardiologists.
  • 20 mg hydroxytyrosol · 4× the EFSA daily threshold.
  • One of nature's most-studied antioxidants, in a daily capsule.
  • Lab tested for purity & potency, every batch.
  • Cap-in-cap design · EVOO + concentrated hydroxytyrosol.
A DAILY DOSE OF OLIVE POLYPHENOLSFormulated with Harvard-trained cardiologists. Rooted in nature, backed by science.

The capsule-in-capsule formula

Extra Virgin Olive Oil
400 mg
Olive Fruit Extract yields 20 mg Hydroxytyrosol
200 mg
Why subscribe Hydroxytyrosol's effects have been studied with daily, consistent intake. Subscribers save up to 30%, ship free, and never run out.
Why Olivea?

Most supplements miss the molecule that matters. Your Olivea capsule gives you 20 mg of hydroxytyrosol, the polyphenol with the only EFSA-recognized health claim for protection of blood lipids from oxidative stress, suspended inside a capsule of real extra virgin olive oil your body actually absorbs.

Ingredients & sourcing

200 mg of olive fruit extract (Olea europaea) standardized to deliver 20 mg of hydroxytyrosol, suspended inside 400 mg of extra virgin olive oil — a capsule-in-capsule design that preserves the natural oil matrix the molecule needs to absorb.

Other ingredients: vegetable capsule, dextrin, silicon dioxide.

Sourced from early-harvest Koroneiki olives in Messinia, Greece.

How to take it

One capsule daily with or without food, ideally in the morning with your coffee. It's food-derived and generally well tolerated alongside everyday supplements like omega-3s and multivitamins. As with any supplement, check with your doctor before adding it to a prescription routine.

Lab analysis

Every batch is third-party tested for purity and potency. Polyphenol content is verified by HPLC; heavy metals, microbials, and pesticide residues are screened on every lot.

See the latest 3rd-party test results →

Science & certifications

EFSA-recognized health claim: 5 mg of hydroxytyrosol and derivatives per day protect LDL from oxidative damage. One capsule delivers 4× that threshold.

Mechanism backed by 1,000+ peer-reviewed studies. Plasma polyphenol levels associated with lower hsCRP in a cohort of over 500,000 (Harms LM et al., British Journal of Nutrition, 2020).

Join 30,000+ others prioritizing their long-term health.

★★★★★
Douglas W. · 70s ✓
After reading the research on PubMed about the benefits of hydroxytyrosol, I chose Olivea because of the source and the delivery system.
★★★★★
Mark U. · 60s ✓
I used to take two fish oil capsules every morning. I've switched to this hydroxytyrosol supplement instead — now it's just one dose and I'm feeling great. Heart health is incredibly important to me.
★★★★★
Jaime A. ✓
The best antioxidant from olive oil in one capsule.
  • doctor
    Dr. Joel Kahn on hydroxytyrosol
  • antioxidant
    Why hydroxytyrosol matters
  • shot vs capsule
    Olive oil shot vs Olivea capsule
  • dose
    2,000 olives in one capsule
  • sourcing
    From early harvest, Messinia
Sabrina Avila, founder of Olivea
From the founder

Why we built Olivea.

After my father's sudden heart attack, I became obsessed with the daily habits I wish he'd had. Hydroxytyrosol is the most-studied olive polyphenol in the world, and the antioxidant EFSA recognized for protecting blood lipids from oxidative stress. Olivea exists to make that science a daily habit, accessible to anyone.
Sabrina Avila
Founder · Olivea

Common questions.

Is Olivea an anti-inflammatory?

No. Olivea is a food-derived supplement, not a drug, and it isn't intended to treat, cure, or prevent any condition. Hydroxytyrosol is an antioxidant studied in relation to oxidative stress and markers like hsCRP. If you're managing a diagnosed condition, talk to your doctor.

What is hsCRP?

High-sensitivity C-reactive protein (hsCRP) is a blood marker doctors use to gauge low-grade, systemic inflammation. It's one of the more established markers of long-term cardiovascular risk. In a cohort of over 500,000 people, higher plasma polyphenol levels were associated with lower hsCRP (Harms et al., 2020).

Is hydroxytyrosol safe for long-term daily use?

Hydroxytyrosol is among the most well-tolerated compounds in nutrition research — it's a food-derived molecule the EFSA officially recognized as safe at therapeutic doses. Studies have followed daily supplementation for 6+ months with no reported adverse effects in healthy adults.

Can I take Olivea with other supplements?

Yes. Olivea pairs well with most daily supplements — omega-3s, multivitamins, fiber. Hydroxytyrosol is food-derived and well-tolerated. If you're on prescription medication, consult your doctor first.

How is this different from taking olive oil?

A 30 ml shot of typical extra virgin olive oil delivers roughly 1–3 mg of hydroxytyrosol, and costs you ~250 calories per dose. Each Olivea capsule delivers 20 mg in a single 5-calorie capsule (4× the EFSA threshold). The capsule-in-capsule design (200 mg of olive fruit extract suspended inside 400 mg of EVOO) preserves the oil matrix the molecule needs to absorb properly.

Where is it sourced?

Greece. From early-harvest Koroneiki olives in Messinia, selected for ultra-high-phenolic content. Lab tested for purity and potency, every batch.

How does subscribe & save work?

Ships every 30, 90, or 180 days depending on the plan you choose. Cancel, pause, or skip any time from your account. No commitment, no fees.

Get ahead of the inflammation you can't feel.

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Health information.

Statements in this article have not been evaluated by the Food and Drug Administration. Olivea products are not intended to diagnose, treat, cure, or prevent any disease. Consult a healthcare professional before making changes to your diet or supplement routine.

Editorial collaboration.

This article draws on the expertise of Olivea's medical advisory team. Advisors are compensated for their roles with the brand.

Research note.

Studies cited examine olive polyphenols, hydroxytyrosol, and olive oil consumption in various forms. Individual studies do not constitute clinical proof of Olivea's specific product effects.

Testimonial note.

Customer experiences reflect individual results and are not typical. Individual results vary.

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