Can You Drink Olive Oil? Guide

Yes, you can drink olive oil. It is a food, not a medicine, and swallowing a spoonful is not dangerous for most healthy adults. People do it for constipation, for heart health, and because social media told them to. Whether it actually does anything useful is a separate question — and the honest answer is that it depends entirely on what you expect it to do.

Olive oil is a fat. Your body treats it like one. It gets digested, absorbed, and used for energy or stored, the same way the oil in your salad dressing does. Drinking it does not change its basic biology. What changes is the dose and the speed.

What Happens When You Drink Olive Oil?

Nothing dramatic happens in your stomach. Olive oil is roughly 100% fat, so it does not dissolve in the watery environment of your digestive tract. It floats, gets broken into droplets, and waits for bile and pancreatic enzymes to emulsify it.

That process takes time. Fat empties from the stomach more slowly than protein or carbohydrate, which is why a spoonful of olive oil can leave you feeling full for a while. It also triggers the release of cholecystokinin, a hormone that tells your gallbladder to squeeze out bile and your brain to register fullness.

From there, most of the fat is absorbed in the small intestine. The fatty acids enter your bloodstream through the lymphatic system, which is one reason a very large dose can feel sluggish rather than energizing.

So the short version: it digests slowly, it signals fullness, and it provides about 119 calories per tablespoon according to USDA data. That calorie number matters more than most people expect.

Is Drinking Olive Oil Good for You?

The evidence for olive oil as part of a diet is strong. The evidence for drinking it straight, by the spoonful, is much weaker. Those are not the same claim, and the difference gets blurred constantly online.

Olive oil is the main fat in the Mediterranean dietary pattern, which has been studied extensively. Research published in the New England Journal of Medicine found that a Mediterranean diet supplemented with extra-virgin olive oil reduced major cardiovascular events in people at high risk. That study gave participants olive oil to use in cooking and on food — not as a shot.

Olive oil is high in monounsaturated fat and contains polyphenols, compounds with antioxidant activity. Extra-virgin oil, which is minimally processed, retains more of these than refined oil. That is a real difference, not marketing.

What has not been shown is that drinking olive oil on an empty stomach delivers benefits beyond simply eating it. No large trial has compared spoonfuls versus drizzles and found the spoonfuls win.

What the evidence actually supports

• Replacing saturated fat with olive oil is linked to better heart health in large population studies.
• Extra-virgin olive oil contains polyphenols that refined oil largely lacks.
• Olive oil as part of an overall eating pattern is where most of the benefit has been demonstrated.

If you want the benefits, using olive oil in place of butter or other solid fats is the approach with the strongest backing. Drinking it is a delivery method, not a different nutrient.

Does Drinking Olive Oil Help With Constipation?

This is one of the most common reasons people try it, and the evidence is thin. Olive oil is a fat, not a fiber. It does not add bulk to stool or draw water into the colon the way fiber and osmotic laxatives do.

Some clinicians do suggest a small amount of olive oil for mild constipation, and it has been used this way in traditional practice for a long time. That is not the same as strong trial evidence. The studies that exist are small and often compare olive oil against mineral oil or other lubricants rather than against placebo.

The theory is that fat lubricates the stool and stimulates the gastrocolic reflex, the wave of muscle activity that moves contents through the colon after you eat. That mechanism is plausible. Whether it produces meaningful relief in most people is not well established.

If constipation is persistent, it is worth talking to a doctor rather than self-treating indefinitely. Ongoing constipation can have causes that olive oil will not address.

How Much Olive Oil Can You Drink Safely?

There is no official recommended amount for drinking olive oil, because no health authority recommends drinking it in the first place. That is the honest position.

What is established is the calorie content. One tablespoon of olive oil contains about 119 calories and about 14 grams of fat, based on USDA data. Two tablespoons is roughly 238 calories. A quarter cup is nearly 480 calories.

For most adults, a tablespoon or two is unlikely to cause harm. Larger amounts can cause loose stools, nausea, or an urgent need to use the bathroom. That effect is well known and is sometimes used deliberately, which tells you something about how the body handles a big fat load.

People with gallstones or gallbladder disease should be cautious, because fat triggers gallbladder contraction. Anyone with a history of pancreatitis should talk to a doctor first. And because olive oil is calorie-dense, drinking it regularly can add up quickly if weight is a concern.

Can You Drink Olive Oil on an Empty Stomach?

You can, but there is no established health advantage to doing it on an empty stomach versus with food. The idea that fasting changes how olive oil works is popular and largely unsupported.

What does change is how it feels. On an empty stomach, fat hits a digestive system with no other contents to buffer it. Some people report heartburn, nausea, or a heavy feeling. Others notice nothing.

Taking it with food slows the whole process and tends to be easier to tolerate. That is a comfort issue, not a health one.

One claim worth naming directly: drinking olive oil before alcohol does not prevent intoxication or protect your liver. No evidence supports that. Alcohol absorption is not blocked by coating your stomach with oil.

Is Drinking Olive Oil Better Than Eating It?

No. Your body breaks olive oil down into the same fatty acids either way. The difference is context.

When olive oil is part of a meal, it often replaces something worse — butter, margarine, creamy dressings. That swap is where the cardiovascular benefit in the research comes from. Drinking it straight adds fat and calories without replacing anything.

There is also a practical point. Olive oil on food carries flavor and helps you absorb fat-soluble vitamins from vegetables. A spoonful does neither.

Does Olive Oil Help You Lose Weight?

No. This is one of the more persistent myths, and it runs against basic physiology.

Olive oil is calorie-dense. At about 119 calories per tablespoon, it adds energy rather than subtracting it. Fat does promote fullness, and that satiety signal is real, but it does not override the calories the oil itself contains.

Some small studies have looked at olive oil and appetite, and results are mixed. None of them show that drinking olive oil causes weight loss. If anything, adding a few hundred calories a day from oil works against weight goals unless you cut those calories elsewhere.

Weight loss comes down to energy balance over time. No single food, oil included, changes that.

Are There Risks to Drinking Olive Oil?

For most healthy adults, a spoonful is low risk. The main issues are digestive and caloric.

• Loose stools or cramping — common with larger amounts.
• Nausea — especially on an empty stomach.
• Extra calories — easy to overlook in a liquid form.
• Gallbladder discomfort — fat triggers contraction, which can hurt if you have stones.

There is one more risk worth mentioning. Very large doses of any oil can, in rare cases, cause aspiration if it goes down the wrong way, particularly in people with swallowing difficulty. That is uncommon but real.

Olive oil can also interact with blood thinners in theory because of its effects on platelets, though the clinical significance at typical food amounts is not well established. If you take a blood thinner, mention it to your doctor rather than assuming it is irrelevant.

What Kind of Olive Oil Should You Use?

Extra-virgin olive oil is the type with the most polyphenols, because it is pressed without chemical processing or heat. That is the version used in most of the research showing heart benefits.

Refined or “light” olive oil has a milder taste and a higher smoke point, but it contains far fewer of those compounds. If the goal is the polyphenol content, extra-virgin is the one to choose.

Whether you drink it or cook with it, the type matters more than the delivery method.