What Is beta-Sitosterol & What Foods Can I Find It In?

3D-model of beta-Sitosterol (src)

beta-Sitosterol is a member of the class of phytosterols, belonging to the sterols.

It has chemical structures similar to that of cholesterol.

beta-Sitosterol can be used as an antioxidant. It is also used as a natural preservative in food products.

Table of Contents

beta-Sitosterol Is A Sterol

beta-Sitosterol is a sterol found in almost all plants.

It is one of the main sub-components of a group of plant sterols known as phytosterols that are very similar in composition to cholesterol. (source )

The major phytosterols are beta-sitosterol, campesterol, and stigmasterol. (source )

Benefits And Side-Effects Of beta-Sitosterol

Beta-Sitosterol may improve glucose tolerance, lower cholesterol, and reduce the risk of heart disease.

beta-Sitosterol has the ability to bind to bile acids, and to absorb them, thus altering the bile acid composition and reducing their concentration in the intestine.

For example, if beta-Sitosterol is given to patients with gallstones, it can prevent the formation of gallstones.

But beta-Sitosterol has both benefits and side-effects. You can check them out in our article beta-Sitosterol: 2 Research-Backed Benefits & One Side-Effect .

Foods You Can Find beta-Sitosterol In

A bunch of pistachio nuts
You can find beta-Sitosterol in pistachio nuts

You find beta-Sitosterol mostly in fats and oils, nuts and seeds, and snack 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 beta-Sitosterol, we recommend you visit our tool.

Here's our top-ranked list of foods that contain beta-Sitosterol.

Sara Niemelä

co-founder Care Omnia, Head Content Creator

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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.