Built on the Science of Olive Oil
Olivea was born out of cutting edge research from leading cardiologists & based on human trials published in trusted peer-reviewed medical journals.
What Hydroxytyrosol Does for Your Body
Heart Health
This is the benefit with the strongest regulatory backing. The European Food Safety Authority (EFSA) reviewed the evidence and approved a specific health claim: olive oil polyphenols like hydroxytyrosol contribute to the protection of blood lipids from oxidative stress. In a landmark clinical trial (Covas et al., 2006), people who consumed high-polyphenol olive oil saw their "good" HDL cholesterol rise while their oxidized "bad" LDL dropped.
Studies also show hydroxytyrosol supports healthy blood vessel function and helps maintain normal blood flow, both important for long-term cardiovascular wellness.
Brain Health
One of the most promising findings is that hydroxytyrosol (or compounds it breaks down into) can actually reach the brain. Studies show olive polyphenols including HT help protect brain tissue from oxidative injury, and Zheng et al. (2015) found that HT supplementation improved neurogenesis and cognitive function via Nrf2/BDNF pathways.
Researchers have also found it may reduce brain inflammation and guard against the toxic protein buildup associated with age-related cognitive decline.
Cellular Protection
Most antioxidants work by neutralizing free radicals directly. Hydroxytyrosol goes a step further: it flips on your body's own antioxidant system. It activates a cellular switch called Nrf2, which tells your cells to produce more of their built-in protective enzymes like glutathione.
It also supports your mitochondria, the parts of your cells that generate energy. By reducing oxidative stress at this level, hydroxytyrosol helps keep your cells functioning efficiently as you age.
Inflammation Support
Chronic, low-grade inflammation is now considered a root driver of many modern health problems. Hydroxytyrosol helps by dialing down the body's inflammatory signals at the source. Richard et al. (2011) showed that hydroxytyrosol measurably reduced key inflammatory markers in immune cells.
It works alongside oleocanthal, another olive polyphenol found naturally in EVOO, which researchers found has a mechanism similar to ibuprofen (Beauchamp et al., 2005). Together, they offer complementary support for a healthy inflammatory response.
Metabolic Health
Research suggests hydroxytyrosol may support healthy blood sugar balance. de Bock et al. (2013) found that overweight men who took olive leaf polyphenols showed improved insulin sensitivity, meaning their bodies became more efficient at processing blood sugar.
Lab studies also show it activates AMPK, an enzyme sometimes called the body's "metabolic master switch" because it helps regulate how cells use energy.
Skin & Light Protection
D'Angelo et al. (2005) showed that hydroxytyrosol helps protect skin cells from UV-induced oxidative damage, and additional research supports its role in natural collagen production and maintaining an even skin tone.
It also helps reduce the activity of enzymes (called MMPs) that break down collagen as you age. Avola et al. (2019) showed HT prevents blue-light-induced MMP elevation and preserves collagen integrity in skin cells.
Healthy Aging
Aging is driven by the gradual accumulation of oxidative damage to DNA, proteins, and lipids, compounded by chronic low-grade inflammation. Hydroxytyrosol targets both sides simultaneously: it reduces oxidative damage while dialing down inflammatory signaling.
A 2025 randomized controlled trial showed that 15 mg/day of hydroxytyrosol for 16 weeks significantly reduced DNA damage, protein oxidation, and inflammation markers — the exact biomarkers that deteriorate with age.
Capsule-in-Capsule Technology
Most supplements use dry powder. Olivea's dual-capsule design keeps hydroxytyrosol in its natural oil-based matrix for superior absorption.
Most supplements use dry powder. Olivea’s inner capsule contains 200 mg of olive extract powder standardized to 20 mg hydroxytyrosol, surrounded by an outer capsule filled with 400 mg of real extra virgin olive oil. This keeps the molecule in its natural amphipathic environment, so it absorbs properly in both water and fat phases.
Science Advisory Board
Olivea's formulation is guided by leading researchers in cardiovascular health, nutrition science, and polyphenol biochemistry.
Third-Party Lab Results
Every batch independently tested by ISO 17025-accredited labs. Potency, purity, and safety — published in full.
Study Library
Browse peer-reviewed clinical research on olive polyphenols and hydroxytyrosol.
High-Phenolic vs Low-Phenolic Olive Oil: Meta-Analysis of 26 RCTs
Crit Rev Food Sci Nutr, 2019PREDIMED Republished: Mediterranean Diet + EVOO Cut Major CV Events by 30%
N Engl J Med, 2018EFSA's 2017 Hydroxytyrosol Safety Opinion: What 'Novel Food Safe' Means
EFSA Journal, 2017Olive Oil and 19% Lower Mortality in 92,383 U.S. Adults Over 28 Years
J Am Coll Cardiol, 2022Olive Oil and Brain Health: 66% Lower Cognitive Impairment Risk in PREDIMED Trial
Journal of Neurology, Neurosurgery & Psychiatry, 2013Olive Oil and Stroke Risk: A 101,460-Person Meta-Analysis
British Journal of Nutrition, 2014Hydroxytyrosol Metabolism Linked to 56% Lower Cardiovascular Risk in 1,851 Adults
American Journal of Clinical Nutrition, 2017Hydroxytyrosol Improved Artery Function in Patients with Coronary Disease
European Journal of Clinical Investigation, 2023Hydroxytyrosol Improves 7 Biomarkers of Aging and Inflammation
Clinical Nutrition, 2025
The Science Is In The Capsule
20 mg hydroxytyrosol per capsule. 4x the EFSA threshold. Backed by 2,000+ studies.
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