Overview

Oleic acid is an omega-9 fatty acid. It can be made by the body. It is also found in foods. Highest levels are found in olive oil and other edible oils.

Oleic acid is most commonly used for preventing heart disease and reducing cholesterol. It is also used for preventing cancer and other conditions, but there is no good scientific evidence to support these other uses.

Don't confuse oleic acid with diets and oils containing oleic acid, such as the Mediterranean diet, olive oil, and canola oil or sunflower oil made to have higher levels of oleic acid. See separate listings for these topics.

How does it work ?

Oleic acid is a type of fatty acid. Oils with oleic acid are used to replace saturated fats in the diet. Oleic acid might improve heart conditions by lowering cholesterol and reducing inflammation.
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