What do polyphenols do in the body?

Polyphenols provide antioxidant protection, with polyphenol-rich olive oil linked to improvements in oxidative stress biomarkers. They offer cardiometabolic support, with clinical trials showing favourable shifts in cardiovascular risk factors. High-phenolic EVOO has been studied for effects on inflammatory and oxidative status, supporting inflammation balance. The EU health claim states: 'Olive oil polyphenols contribute to the protection of blood lipids from oxidative stress,' supporting health long-term and aiding recovery and resilience.

Are Raw+ products lab-tested?

Yes, all Raw+ products are lab-tested for verified potency. Each batch is tested for oleocanthal and oleacein content. Results are batch-specific and reflect the analysed sample. Lab reports are available for Core 500, Boost 1000, and Elite 2000 products.

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Q: What Are Olive Oil Polyphenols?

Olive oil polyphenols are natural compounds found in extra virgin olive oil that contribute to its peppery sting and bitterness. Key polyphenols in Raw+ include oleocanthal (responsible for the peppery throat sting), oleuropein and ligstroside (secoiridoids), hydroxytyrosol (a well-known olive phenolic researched for antioxidant defences and metabolism), tyrosol (a key building block of the polyphenol profile), and lignans (contributing to the overall antioxidant profile).

Polyphenols are protective plant compounds found in extra virgin olive oil and they’re a big reason high-quality olive oil is so valued in nutrition research. The evidence is clear: when olive oil is rich in polyphenols, it’s associated with stronger antioxidant activity in the body and measurable effects on markers linked to long-term health.

See our test results

What Are Olive Oil Polyphenols?

Polyphenols are naturally occurring compounds produced by plants to protect themselves. In extra virgin olive oil, they’re responsible for the peppery “sting”, the bitterness, and much of the oil’s functional value including antioxidant behaviour that’s been widely studied in humans.

The key polyphenols you’ll find in a RAW+ bottle:

Oleocanthal

Famous for the peppery throat sting of great olive oil, and heavily studied for its bioactive properties.

Oleuropein & ligstroside

Two cornerstone secoiridoids in extra virgin olive oil — often among the most abundant phenolic compounds present, and central to how “olive oil polyphenols” are measured.

Hydroxytyrosol

A well-known olive phenolic, widely researched for its role in the body’s antioxidant defences and metabolism.

Tyrosol

A key olive phenolic and building block of the wider polyphenol profile, commonly studied in human nutrition and metabolism research.

Lignans

Another naturally occurring class of olive phenolics that contributes to the overall antioxidant profile of extra virgin olive oil.

What Polyphenols do in the Body.

Woman in a green blazer meditating with eyes closed and hands on chest and stomach at her office desk.

Antioxidant protection

Polyphenol-rich olive oil is linked to improvements in oxidative stress biomarkers in controlled studies.

Man in a gym clutching his chest with a pained expression, possibly experiencing chest pain.

Cardiometabolic support

Clinical trials comparing high vs low polyphenol olive oil show favourable shifts in cardiovascular risk factors overall.

Athletic woman sitting on outdoor track with ice pack on knee, showing discomfort and kinesiology tape on shoulder and legs.

Inflammation balance

High-phenolic EVOO (including oils rich in oleocanthal/oleacein) has been studied for effects on inflammatory and oxidative status.

Why the body needs Polyphenols.

Modern diets can be calorie-rich but compound-poor — high in processed foods and low in the protective plant nutrients that help the body handle everyday stress. Polyphenols are one of those key compounds. They’re naturally found in colourful plants, herbs, and high-quality extra virgin olive oil, and they’re researched for their role in supporting the body’s antioxidant defences and overall resilience.

With olive oil specifically, the science is strong enough that there’s an authorised EU health claim for its polyphenols:

“Olive oil polyphenols contribute to the protection of blood lipids from oxidative stress.”

That matters because oxidative stress is part of the everyday load on the body — influenced by training, poor sleep, work stress, pollution, and diet. A consistent, meaningful daily intake of polyphenols helps stack the odds in your favour: supporting health long-term, while also fitting into a performance-first routine focused on recovery and resilience.

Our Products, Lab-Tested. Verified Potency.

Every Raw+ product is lab tested to verify its polyphenol content — so the potency you choose is measured, not guessed. Our certificates of analysis report total polyphenols and key olive compounds like oleocanthal and oleacein, and confirm the daily intake threshold used in the EU health claim framework.