Olive Oil: Liquid Gold or Just Another Wellness Obsession?

It's supposed to be good for your heart, your skin, your hair, and practically everything else. But how much of the olive oil hype is actually true?

Somewhere along the way, olive oil became the darling of the wellness world.

Drizzle it on your vegetables.

Add it to your salad.

Rub it on your skin.

Massage it into your hair.

Apparently, if you believe everything you read online, a bottle of extra virgin olive oil might be the only thing standing between you and eternal youth.

Well, that and sunscreen.

Now, I love olive oil.

It's delicious, versatile, and one of the ingredients I regularly recommend when discussing balanced nutrition.

But I started wondering something.

Is olive oil really as beneficial as everyone claims, or have we turned another perfectly good food into a miracle cure?

Because there's a big difference between something being healthy and something being capable of fixing everything from your cholesterol to your wrinkles.

So let's investigate.

First, What Exactly Is Olive Oil?

Olive oil is extracted from the fruit of the olive tree.

Yes, olives are fruit.

And the oil they produce has been used for thousands of years in cooking, traditional medicine, cosmetics, and cultural rituals.

It's especially associated with Mediterranean food traditions.

But not all olive oils are produced in the same way.

And those differences matter.

Extra Virgin Olive Oil

Extra virgin olive oil, or EVOO, is the highest recognized grade of virgin olive oil.

It's obtained through mechanical processes rather than chemical refining and must meet specific quality standards.

EVOO contains monounsaturated fats, particularly oleic acid, along with varying amounts of naturally occurring compounds called polyphenols.

These compounds contribute to its flavor and antioxidant properties.

Interestingly, the amount of polyphenols varies depending on the olive variety, growing conditions, processing, and storage.

So two bottles labeled extra virgin aren't necessarily identical in composition.

Virgin Olive Oil

Virgin olive oil is also mechanically extracted but meets different quality standards.

It can still be a nutritious cooking oil.

The main differences involve quality classifications, including sensory characteristics and chemical measurements.

Refined Olive Oil

Refined olive oil undergoes additional processing to remove undesirable flavors and characteristics.

Refining generally reduces some naturally occurring compounds, particularly certain polyphenols.

But here's something worth knowing.

Refined olive oil still contains predominantly monounsaturated fat.

It doesn't suddenly become unhealthy simply because it has been refined.

And extra virgin olive oil isn't limited to cold salads.

Depending on cooking conditions, EVOO can be used for many everyday cooking methods, including sautéing and roasting.

Why Is Olive Oil Considered Heart-Healthy?

This is where the evidence becomes more interesting.

Olive oil is rich in monounsaturated fatty acids.

When unsaturated fats replace saturated fats in the diet, they can help improve blood cholesterol profiles.

That's one reason organizations such as the American Heart Association recommend choosing unsaturated fats more often.

But here's the important distinction.

Adding olive oil to an otherwise unhealthy diet isn't the same as replacing less favorable fat sources with olive oil.

If you're already eating plenty of calories, pouring additional oil over everything isn't automatically going to improve your health.

Olive oil contains approximately 120 calories per tablespoon.

It's nutritious.

It's also energy-dense.

The benefit comes from how it fits into your overall eating pattern.

What Does the Research Actually Say?

One of the most frequently discussed studies involving olive oil is the PREDIMED trial.

This large Spanish study examined Mediterranean dietary patterns among adults at elevated cardiovascular risk.

Participants assigned to a Mediterranean diet supplemented with extra virgin olive oil experienced fewer major cardiovascular events than those assigned to the comparison diet during follow-up.

However, the study evaluated an entire dietary pattern, not olive oil in isolation.

That distinction matters.

The results support the potential cardiovascular benefits of a Mediterranean-style eating pattern that includes olive oil.

They don't prove that taking a spoonful of olive oil every morning prevents heart attacks.

And they certainly don't mean olive oil can replace prescribed medications or medical care.

Can Olive Oil Lower Blood Pressure?

Possibly, as part of a healthy dietary pattern.

Some clinical research suggests olive oil-rich diets may contribute to modest improvements in blood pressure.

But the effects vary between studies.

There isn't enough evidence to promise that a specific amount of olive oil will lower everyone's blood pressure by a precise number of points.

If you have high blood pressure, olive oil can be part of a heart-healthy diet.

It isn't a substitute for appropriate treatment.

What About Cholesterol?

Here's a common misconception.

Olive oil doesn't simply neutralize bad cholesterol.

That's not how cholesterol metabolism works.

Instead, replacing saturated fats with unsaturated fats can help lower LDL cholesterol.

LDL is often called bad cholesterol because elevated levels contribute to atherosclerotic cardiovascular disease.

Olive oil can be useful in that substitution.

For example, using olive oil instead of butter in certain meals may improve the overall fat composition of your diet.

The important word is instead.

Not necessarily in addition to.

Does Olive Oil Fight Inflammation?

Extra virgin olive oil contains compounds that have demonstrated antioxidant and anti-inflammatory activity in laboratory research.

One particularly interesting compound is oleocanthal.

Researchers have investigated its biological effects because it influences some pathways involved in inflammation.

But we need to be careful here.

A substance showing anti-inflammatory activity in laboratory experiments doesn't automatically mean eating it will treat inflammatory diseases.

There isn't sufficient clinical evidence to recommend olive oil as a treatment for rheumatoid arthritis.

It may be part of a nutritious dietary pattern, but it isn't a replacement for medical treatment.

Can Olive Oil Prevent Cancer?

This is where wellness marketing often gets carried away.

Some observational research has found associations between Mediterranean dietary patterns, olive oil consumption, and lower risks of certain cancers.

Researchers are also studying the biological activity of olive oil polyphenols.

But associations don't prove that olive oil itself prevents cancer.

Diet, physical activity, genetics, environmental exposures, and many other factors influence cancer risk.

And laboratory findings involving isolated compounds don't necessarily translate into clinical benefits from eating olive oil.

Olive oil is a food, not a cancer-prevention treatment.

That's an important distinction.

Does Olive Oil Help Your Brain?

Now we're entering an interesting area of nutrition research.

Some observational studies have found associations between higher olive oil consumption and certain favorable health outcomes, including outcomes related to cognitive health.

Researchers are investigating whether the fats and bioactive compounds in olive oil contribute to these associations.

But there are limitations.

People who consume more olive oil may also have other health-supporting habits.

They may eat more vegetables, exercise regularly, or follow Mediterranean-style diets.

So we can't assume olive oil alone explains the results.

It's promising research.

Not proof that olive oil will prevent dementia or eliminate brain fog.

And unfortunately, I haven't found convincing evidence that a tablespoon of olive oil will help me remember why I walked into the kitchen.

Should We Be Putting Olive Oil on Our Skin?

Here's where things get complicated.

Olive oil has been used in traditional skincare for centuries.

It can function as an emollient, helping soften the skin.

But natural doesn't automatically mean suitable for every skin type.

Olive oil contains a high proportion of oleic acid, which may disrupt the skin barrier when applied directly, particularly in people with certain skin conditions.

Some research has found that repeated topical olive oil application can negatively affect skin barrier integrity.

For people with eczema or sensitive skin, it may worsen irritation.

That doesn't mean everyone will react badly.

But it does mean we shouldn't recommend olive oil as a universal skincare treatment.

And claims that it heals bruises, scars, or breast tenderness aren't supported well enough to present as established benefits.

Personally, I'd rather use a moisturizer formulated for my skin than assume something belongs on my face simply because it tastes good on a salad.

What About Olive Oil for Hair?

Olive oil can coat hair fibers and may temporarily improve softness or shine.

Some people enjoy using it as a pre-wash conditioning treatment.

However, there isn't strong clinical evidence that olive oil promotes hair growth or treats the underlying causes of dandruff.

And applying heavy oils to the scalp can be uncomfortable or unsuitable for some people.

If you're dealing with persistent dandruff, scalp irritation, or hair loss, identifying the cause is more useful than experimenting with kitchen ingredients.

Do You Need to Drink Olive Oil Straight?

This is one wellness trend I find particularly entertaining.

Some people recommend drinking a tablespoon or two of olive oil every morning.

As though your digestive system requires a ceremonial shot of liquid gold before breakfast.

But there's no compelling evidence that swallowing olive oil straight provides special benefits compared with incorporating it into meals.

Your body doesn't award extra nutritional points because you drank it from a spoon.

If you enjoy olive oil, use it in food.

It's delicious.

And you don't have to pretend it's medicine.

How to Get the Most Out of Olive Oil

Here's where I think we can keep things beautifully simple.

Use extra virgin olive oil in salad dressings.

Drizzle it over roasted vegetables.

Use it when sautéing foods.

Combine it with herbs, garlic, or lemon for a flavorful marinade.

Try it with whole-grain bread.

Or use it in recipes where its flavor complements the ingredients.

Store it tightly closed, away from excessive heat and light, to help preserve quality.

And remember that olive oil is just one part of a nutritious diet.

You still need adequate protein, fiber, vitamins, minerals, and a variety of foods.

No single ingredient can do everything.

So, Is Olive Oil Really Liquid Gold?

In some ways, yes.

It's a versatile food with a favorable fatty acid profile, interesting plant compounds, and a meaningful place in dietary patterns associated with cardiovascular health.

That's pretty impressive for something that comes from a little fruit growing on a tree.

But does it cure arthritis?

Prevent cancer?

Balance hormones?

Erase wrinkles?

Fix your memory?

Not based on the evidence we currently have.

And that's okay.

Olive oil doesn't need to be miraculous to be worthwhile.

Sometimes we take something genuinely beneficial and ruin the conversation by promising it can do absolutely everything.

Olive oil deserves a place in a healthy kitchen. It doesn't need to become a religion.

So drizzle it.

Cook with it.

Enjoy it.

Just don't expect it to solve every problem in your life.

Especially if the problem is that you've forgotten where you put your car keys.

Although, if someone discovers a salad dressing that fixes that, I'd love to hear about it.

DOWN THE RABBIT HOLE 🐇

The question: Is olive oil really good for practically everything?

The discovery: Olive oil has legitimate nutritional benefits, particularly when it replaces

saturated fats as part of a healthy dietary pattern.

The surprise: Some of its most popular beauty and medical claims have much weaker evidence than its cardiovascular benefits.

The takeaway: Enjoy olive oil for what it does well. Be skeptical when someone claims it does everything.

LOOK CLOSER. THERE'S MORE.

Curious about the science behind everyday foods, wellness trends, and the things we're told are good for us?

Explore more discoveries in Body & Desire and follow our Down the Rabbit Hole investigations.

Health note: This article is for educational purposes and does not replace personalized medical advice.