Coconut Oil vs. Olive Oil: Which Is the Healthier Fat for Your Heart?



Medically reviewed by Simone Harounian, MS

Coconut oil and olive oil differ in their fat content and effects on cholesterol.Credit: Health / Getty Images
Coconut oil and olive oil differ in their fat content and effects on cholesterol.
Credit: Health / Getty Images
  • Olive oil is higher in heart-healthy monounsaturated fats, while coconut oil is primarily made of saturated fats.
  • The fats and polyphenols in olive oil support healthy cholesterol levels and may help reduce other markers of heart disease.
  • Both oils contain antioxidant compounds that can help support overall health.

Coconut oil and olive oil are both plant-based fats with a variety of uses in cooking and baking. However, olive oil is often considered the healthier oil due to its higher concentration of heart-healthy unsaturated fats.

Which Is a Better Source of Healthy Fats?

Coconut and olive oil contain about the same amount of total fat per serving. However, they differ in the types of fats they provide, with olive oil being the better source of heart-healthy unsaturated fats.

Olive oil is higher in monounsaturated fats, which can help lower your low-density lipoprotein (LDL, the "bad" cholesterol), especially when eaten in place of saturated fats. Olive oil also provides some polyunsaturated fats, like omega-3 and omega-6 fatty acids, which can support brain and heart health.

In comparison, coconut oil is primarily made up of saturated fat. Eating too much saturated fat can raise your LDL cholesterol.

Here's how the fat content compares in a 1-tablespoon serving of coconut oil and olive oil:

Coconut oil Olive oil
Calories 121 119
Total fat 13.5 grams (g) 13.5 g
Saturated fat 11.2 g 1.86 g
Monounsaturated fat 0.86 g 9.86 g
Polyunsaturated fat 0.23 g 1.42 g

Which Is Better for Heart Health?

Since olive oil is a better source of unsaturated fats, it's also a better choice for heart health.

Eating a diet too high in saturated fat can increase your LDL cholesterol. High levels of LDL cholesterol can build up in your arteries (blood vessels), increasing your risk for heart disease and stroke.

Replacing saturated fats like coconut oil with unsaturated fats like olive oil can help lower your LDL cholesterol and support your heart health.

Olive oil also contains polyphenols, which are plant compounds that have antioxidant and anti-inflammatory properties. For example, a 2025 study found that extra-virgin olive oil may help lower blood pressure, prevent blood clots, and reduce plaque buildup in the arteries. The researchers credited these effects to the polyphenols hydroxytyrosol and oleuropein, as well as oleic acid, a type of monounsaturated fatty acid high in olive oil.

How the Other Benefits Compare

Apart from their fat content, coconut oil and olive oil both contain other compounds that can benefit health.

Other potential benefits of consuming coconut oil include:

  • Increased HDL cholesterol: Although coconut oil can raise LDL cholesterol, some studies show it also raises high-density lipoprotein (HDL) cholesterol. HDL is considered "good" cholesterol as it helps remove LDL from the body.
  • Antioxidants: Coconut oil contains antioxidant compounds, including lauric acid, myristic acid, vitamin E, phytosterols, and phenolic acids. Antioxidants work against harmful free radicals to prevent oxidative stress, a state of cell damage that can lead to disease.
  • Greater intake of medium-chain triglycerides (MCTs): Coconut oil is a natural source of MCTs. Research shows MCTs may promote the production of ketones (compounds that form from the breakdown of fat for energy), providing a quick source of energy.

Other potential benefits of consuming olive oil include:

  • A boost in antioxidant, anti-inflammatory, and antimicrobial compounds: The phenolic compounds in olive oil have been shown to improve inflammation, increase antioxidant activity, and slow the growth and spread of certain bacteria.
  • Greater immune health: Some research shows that the polyphenols in olive oil can increase the production of white blood cells and other compounds that strengthen the immune response.
  • Lower disease risk: Higher olive oil intake has been linked to a lower risk of death in several conditions, including neurodegenerative (brain and spinal cord) disease, heart disease, and respiratory (lungs and airways) disease. Some studies have also found that diets that feature extra virgin olive oil, such as the Mediterranean diet, may lower the risk of breast, prostate, and gastrointestinal cancer. The fatty acids in olive oil have also been linked to reduced tumor growth.
  • Better support for weight management: Replacing conventional cooking oils with olive oil can help support weight loss and prevent obesity-related conditions like hyperglycemia (high blood sugar).



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Recent Reviews



Medically reviewed by Kierra Brown, RD

Canned sardines and anchovies are high in protein and healthy fats, plus they have a long shelf life.Credit: Design by Health; Getty Images
Canned sardines and anchovies are high in protein and healthy fats, plus they have a long shelf life.
Credit: Design by Health; Getty Images
  • The nutritional profiles of anchovies and sardines are very similar.
  • Compared to sardines, anchovies contain slightly more protein and omega-3 healthy fats.
  • However, sardines have higher concentrations of many vitamins and minerals, and usually have less added sodium.

Anchovies and sardines are both small, oily fish that are usually canned or jarred. Despite their similarities, anchovies and sardines do have some nutritional differences when it comes to protein, healthy fats, and micronutrient content.

Which Small Fish Has More Protein?

 While both fish are excellent sources of lean protein, anchovies have a slight edge:

  • Sardines, canned in oil: 6.97 grams in a 1-ounce serving
  • Anchovies, canned in oil: 8.19 grams in a 1-ounce serving

The amount of protein your body needs depends on a number of factors, including age, health status, and physical activity levels.

Healthy adults should consume 1.2-1.6 grams of protein per kilogram of body weight, according to updated federal dietary guidelines.

For example, if someone weighs 70 kilograms (or 155 pounds), they may want to consume at least 84 grams of protein every day. A 1-ounce serving of anchovies canned in oil would get them about 10% of the way toward that daily protein goal.

Protein is critical for cell development and repair, contributing to physical growth and development.

Is One a Better Source of Healthy Fats Like Omega-3s?

When it comes to healthy fats in general, sardines come out on top:

  • Sardines, canned in oil: 2.56 grams of unsaturated fat in a 1-ounce serving
  • Anchovies, canned in oil: 1.8 grams of unsaturated fat in a 1-ounce serving

But if you're looking to boost your levels of omega-3 fatty acids—a specific type of healthy unsaturated fat—anchovies are the better choice. A 1-ounce serving contains 594 milligrams of omega-3s, while the same amount of sardines has 278 milligrams.

Consuming more omega-3s and healthy fats in general may benefit multiple different aspects of your health:

  • Heart health: Omega-3s help reduce levels of triglycerides, or fats in the blood; high triglyceride levels are a risk factor for heart disease and stroke. In general, research has shown that eating unsaturated fats in place of saturated fats—the kind found in full-fat dairy, red meat, and tropical oils—reduces your risk of heart disease.
  • Brain health and cognitive function: Some research suggests that insufficient levels of omega-3s may increase the risk of brain health concerns, including Parkinson's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD), and depression. Another study found that omega-3 supplements could improve mild cognitive impairment, a condition that causes memory and thinking issues that can develop into dementia.
  • Eye health: In some studies, people who ate fatty fish (and more omega-3s) had a lower risk of age-related macular degeneration, a condition that can blur vision. Similarly, there's evidence that diets higher in omega-3s could reduce the risk of dry eye disease. However, more research is needed.

How Do They Compare for Vitamin and Mineral Content?

Along with protein and healthy fats, sardines and anchovies are packed with essential micronutrients. However, they contain different amounts of these key vitamins and minerals:

  • Vitamin B12: Sardines have about 10 times more vitamin B12 than anchovies. This B vitamin supports nerve cell function, red blood cell formation, metabolism, and the creation of DNA.
  • Vitamin D: One sardine has the vitamin D content of about eight anchovies. Vitamin D helps the body absorb calcium and supports bone maintenance and growth.
  • Iron: As compared to sardines, anchovies contain about 60% more iron. This mineral helps form red blood cells, supports muscle and tissue function, and more.
  • Phosphorus: Sardines are nearly twice as rich in phosphorous than anchovies are. In fact, a 1-ounce serving of sardines contains about 20% of the daily recommended intake for adults. Phosphorus is key in creating structures in the body, including teeth, DNA, and cell membranes.
  • Calcium: As compared to anchovies, sardines are a better source of calcium, a mineral which helps support and maintain bone health.

Comparing Sardines and Anchovies

Nutritional content always varies based on packaging and other factors, but here's how a typical 1-ounce serving of anchovies compares to a 1-ounce serving of sardines:

Sardines, canned in oil Anchovies, canned in oil
Calories 59 60
Protein 6.97 grams (g) 8.10 g
Total fat 3.23 g 2.75 g
Carbohydrates 0 g 0 g
Calcium 108 milligrams (mg) 65.8 mg
Iron 0.828 mg 1.31 mg
Magnesium 11.1 mg 19.6 mg
Phosphorus 139 mg 71.4 mg
Potassium 113 mg 154 mg
Selenium 14.9 micrograms (mcg) 19.3 mcg
Sodium 87 mg 1,040 mg
Zinc 0.371 mg 0.692 mg
Vitamin B12 2.53 mcg 0.249 mcg
Vitamin D 1.36 mcg 0.482 mcg

In addition to their relatively similar nutritional profiles, sardines and anchovies share many other commonalities.

Both are considered forage fish, and they're often eaten by larger fish or marine mammals. Sardines are a bit bigger—they're 4-12 inches while anchovies are usually 7-8 inches—but both species' relative small size and low position on the food chain ensures they have low mercury levels.

Once they're harvested, anchovies and sardines are usually jarred or canned in water or oil to make them shelf stable. One difference is that canned anchovies are often salt-cured—this gives them a pink color and a salty flavor (as well as high amounts of sodium).

What To Know Before Adding These Small Fish to Your Diet

Anchovies and sardines aren't naturally high in sodium (or salt), but jarred or canned versions often have a lot of salt added.

For instance, a 1-ounce serving of anchovies canned in oil contains 1,040 milligrams of sodium, which is 45% of the recommended daily limit for adults.

Diets high in sodium raise your risk of developing high blood pressure, heart diseases, artery diseases, heart attack, and stroke.

When purchasing canned fish, check the nutrition label and try to find a product that has lower amounts of sodium.

Sardines and anchovies also usually contain bones. The canning process makes these bones safe to eat, though young children and people with swallowing concerns may want to avoid them.



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