6 Benefits of Extra Virgin Olive Oil Worth Knowing
Six reasons to use extra virgin olive oil, with the research in context and practical advice for your everyday meals.

Last updated: September 2026
Extra virgin olive oil can be a useful everyday choice for your heart and overall eating pattern. It supplies mostly unsaturated fat, retains phenolic compounds, and makes foods such as vegetables and beans more enjoyable. The strongest evidence supports using it within a healthy diet, rather than treating it as a cure by the spoonful.
If nutrition advice has started to feel overwhelming, this is a manageable place to begin. I’ll walk you through six reasons to use extra virgin olive oil, what the research actually shows, and how to make it work with meals you already eat.
What makes extra virgin olive oil different?

Extra virgin olive oil, or EVOO, is obtained mechanically without refining and must meet chemical and sensory standards. “Extra virgin” is a grade; it does not mean that every bottle has the same flavor, freshness, or polyphenol concentration. The International Olive Council’s standards describe those distinctions.
Olive oil is mostly fat. Its smaller phenolic fraction includes compounds such as oleocanthal and hydroxytyrosol-related molecules. You may notice some of that chemistry as bitterness or a peppery catch at the back of your throat.
I’d think about those features separately. A good fatty-acid profile, an interesting phenolic profile, and an oil you enjoy are all useful considerations. None makes one food a complete health plan.
Six benefits, with the evidence in context
1. It fits a dietary pattern with strong heart-health evidence
The corrected 2018 PREDIMED report found fewer major cardiovascular events among people at high cardiovascular risk assigned a Mediterranean diet supplemented with extra virgin olive oil or nuts than among those assigned the control diet.
That supports the eating pattern. It does not prove that adding oil to an otherwise unchanged diet gives you the same result. My practical takeaway is to use EVOO alongside vegetables, legumes, whole grains, and other foods that make a Mediterranean-style meal.
2. It offers a useful way to replace some saturated fat
Olive oil can take the place of butter in many everyday meals: on toast, in a pan, or in a dressing. Replacing saturated fat with unsaturated fat helps maintain normal blood cholesterol, a relationship recognized in the EU’s authorized unsaturated-fat claim.
The useful word is “replace.” Adding oil without changing anything else is a different choice. I would also avoid labeling all other vegetable oils unhealthy; the relevant comparison depends on their composition and how you use them.

3. Its phenolic compounds can support oxidative protection
Oxidative stress describes an imbalance involving reactive molecules and the body’s defenses. Researchers can study some of its effects by measuring changes in blood lipids.
In the EUROLIVE trial, higher-phenolic oil produced more favorable changes in some oxidation markers than lower-phenolic oil. This supports interest in olive phenolics, while leaving questions about long-term outcomes and the ideal oil for an individual.
It is a more precise claim than saying antioxidants “detox your body” or prevent every disease associated with oxidative stress.
4. Some phenolic-rich oils show favorable inflammatory effects
The APRIL trial reported improved oxidative and inflammatory measures with an oil rich in oleocanthal and oleacein compared with common olive oil in people with obesity and prediabetes. It was a short intervention and tested a whole oil, not an isolated compound.
You may also hear comparisons with ibuprofen. The original oleocanthal paper examined enzyme activity. That finding does not establish olive oil as an equivalent pain treatment or a reason to stop prescribed medicine.
5. It can be part of a pattern that supports cognitive health
A randomized PREDIMED substudy found favorable cognitive results with Mediterranean diets supplemented with olive oil or nuts compared with the control diet. This is encouraging dietary research, but it is not proof that an oil or polyphenol prevents Alzheimer’s disease.
I would put olive oil in the context of a varied eating pattern, rather than promise that a particular bottle will improve your memory. A laboratory mechanism, a cognitive test, and a dementia diagnosis are different outcomes.
6. Regular olive oil intake is associated with lower mortality
A 2022 study by Guasch-Ferré and colleagues followed two large groups of U.S. adults. Higher olive oil intake was associated with lower mortality. Because this was observational, differences in diet and lifestyle may contribute to the association.
The study strengthens the case for olive oil as a reasonable dietary choice. It does not tell us that drinking a shot extends your life, or that the oil with the largest phenolic number delivers the greatest benefit.
How I’d choose a bottle
Look for extra virgin olive oil with a clear harvest or lot record, protective packaging, and a flavor you enjoy. Buy an amount you will use while it is fresh.
If you are paying extra for a polyphenol claim, ask for a report that matches the current lot. Read the method and test date as well as the number. Country of origin, price, and a “single estate” label do not replace that evidence, and a blend is not automatically poor quality.
My high-polyphenol olive oil guide covers buying options. Use it alongside current product documentation rather than treating last year’s lab result as a promise about this year’s bottle.
Full disclosure: I carry Laconiko and ZOI in my practice’s shop. If you are considering Laconiko extra virgin olive oil, check availability and the current lot’s documentation rather than relying on a number from an older harvest.
How to use EVOO in your daily diet
Start with a meal you already enjoy. Use olive oil in a lemon dressing, drizzle it over beans or vegetables, or substitute it for some butter in cooking. Measure your pour initially so you know the portion. You do not need to drink it straight, and there is no single dose that suits everyone. Count the oil you already use before adding more. If you are curious about the daily-shot trend, my olive oil shot guide explains portions, timing, and why a comfortable food habit matters more than the ritual.
Cooking and storage: keep it practical
Extra virgin olive oil can be used in ordinary cooking. Heating changes its phenolic profile; a domestic sautéing study found that the conditions affected those losses. That does not mean every cooked meal loses the same proportion or that the oil becomes useless when heated.
Use a finishing drizzle if you want its unheated flavor. Keep the bottle capped in a cool, dark cupboard, away from the stove. Avoid buying a large bottle you will leave open for a long time. Storage conditions matter more than a universal countdown that supposedly applies to every oil.

Frequently asked questions
Is extra virgin olive oil good for you?
It can be a healthy part of your diet, especially when it replaces some saturated fat and accompanies a varied eating pattern. It is also calorie-dense, so the amount still matters. I would use it to make nutritious meals easier to enjoy rather than expect a single ingredient to compensate for the rest of the diet.
Is extra virgin olive oil better than regular olive oil?
Extra virgin generally retains more phenolic compounds and offers a different flavor because it has not been refined. Regular olive oil still provides mostly unsaturated fat. The best choice depends on your purpose, taste, and budget. If phenolics are your priority, a current, interpretable report is more informative than assuming all extra virgin oils are identical.
Can you cook with extra virgin olive oil?
Yes. It works in everyday cooking as well as dressings and finishing. Heat can change flavor and phenolic content, with the effect depending on cooking conditions. Avoid letting oil burn or smoke heavily. You can reserve a particularly flavorful bottle for finishing while using another extra virgin oil for routine meal preparation.
You do not have to overhaul your diet to begin. Choose one meal where olive oil makes sense, use a portion that fits, and build from there.
About the Author
Based in San Diego, Dr. Erez, D.O. is a 5-star rated integrative medicine practitioner with over 5 years of experience running his own private practice and treating hundreds of patients. He is an Institute for Functional Medicine Certified Practitioner (IFMCP) and is board-certified by the American Board of Family Medicine.
A frequent medical source, he has contributed to publications including Everyday Health, Epoch Health, California Mobility, and Woman's World. Dr. Erez is most passionate about helping individuals identify the root causes of chronic disease and leverage evidence-based interventions to reach their version of optimal health.
