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What Is Oleic Acid?

Oleic acid, 18:1, is classified as a monounsaturated omega-9 fatty acid that is abundant in human tissue.

Oleic acid is found in many foods and therefore is common in our daily diet.

Oleic Acid Is An Omega-9 Fatty Acid

Oleic acid is an unsaturated fatty acid and an omega-9. Omega-9 is not essential, meaning that our body can produce it by itself. It is a colorless to pale yellow liquid with a mild odor. (source đź——)

Where To Find Oleic Acid

Oleic acid is found in various animal and vegetable sources. Triglyceride esters of oleic acid comprise the majority of olive oil. It's also the major fatty acid in human milk. (source đź——)

If you are interested in a list of foods where you can find this nutrient. Go to our nutrition tool and check out oleic acid.

Benefit Of Oleic Acid

Oleic acid is considered to be highly stable to oxidation and therefore can enhance the activity of antioxidants. (source đź——)

You can read about other benefits that oleic acid has in Oleic Acid (18:1): 3 Research-Backed Benefits .

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Sara Niemelä

co-founder Care Omnia, Head Content Creator


I’m a wife and a mother of three. I enjoy the outdoors, cooking, and spending time with my family. Nutrition is my passion. I have spent thousands upon thousands of hours reading, analyzing, categorizing and comparing research studies. Nutrition is the foundation you build a healthy and fulfilling life upon!