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Life is everything. Let's make it a healthy one!

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What Is Stearic Acid (18:0) & What Foods Can I Find It In?

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Dark chocolate contains stearic acid

Stearic acid, 18:0, is also known as octadecanoic acid.

It’s a saturated long-chain fatty acid that is obtained from fats and oils.

Stearic acid is essential for us and have shown to be good for our health.

Commercial stearic acid is often a mixture of stearic and palmitic acids.

But natural or purified stearic acid is better from a health perspective.

Stearic Acid Is Essential

Stearic acid is an essential fatty acid, which means that the body cannot produce it and must get it from the diet.

It is present in the cell membrane of every cell in the body. It is a component of the lipids that exists in the plasma membrane.

Stearic Acid Is A Useful Common Fatty Acid

Stearic acid is a saturated long-chain fatty acid. It’s one of the most common fatty acids.

Stearic acid is found in vegetable fats such as coconut oil, palm oil, and safflower oil. It is also found abundantly in animal fats such as beef, pork, and milk. (source )

Stearic Acid Is Abundant In Animal Fat

Stearic acid is more abundant in animal fat, up to 30%. Compared to vegetable fat that typically contains 5% or less.

While cocoa butter and shea butter is the stearic acid content is about 28–45%. (source )

A Recommendation About Stearic Acid

There is a recommendation from researchers that the food industry should consider enriching foods with stearic acid instead of palmitic acid and trans fatty acid.

Because stearic acids are nontoxic and biocompatible with the human body. (source )

Foods You Can Find Stearic Acid (18:0) In

You find Stearic Acid (18:0) mostly in fats and oils, beef, sweets, lamb, veal, and game products.

Examples of food sources include

Foods in our nutrition tool

You can find regularly updated top-ranked lists of foods for over 200+ nutrients in our nutrition tool.

If you are interested in what foods contain the most Stearic Acid (18:0) we recommend you visit our tool.

Here's our top-ranked list of foods that contain Stearic Acid (18:0).

Sara Niemelä

co-founder Care Omnia, Head Content Creator


Nutrition is my passion. I've spent thousands upon thousands of hours reading, analyzing, categorizing and comparing research studies.

I’m a wife and a mother of three. I enjoy the outdoors, cooking, and spending time with my family.