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Home > Patient & Family Resources > Health Library > Beta-Sitosterol Plant Extract
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Beta-sitosterol is one of many sterols that come from plants (phytosterols) and have a structure like the cholesterol produced in the body. You can find phytosterols in many plants and thus in foods such as rice bran, wheat germ, corn oils, soybeans, and peanuts. Beta-sitosterol is also available as a dietary supplement.
Beta-sitosterol is said to lower cholesterol levels and reduce the risk of some cancers. It also is said to relieve symptoms of benign prostatic hyperplasia (BPH).
Few problems have been reported among men taking beta-sitosterol for BPH. Some men may have problems with their stomach and digestion. Beta-sitosterol's ability to prevent complications of BPH is not known.
Men who have problems urinating should see a doctor to rule out prostate cancer or other diseases. Prostate cancer is treatable, but treatment may be more successful when you find and treat the cancer as early as possible.
Some studies have shown that phytosterols can help lower cholesterol. But the long-term effects of eating foods that have phytosterols added to them (for example, some margarines) or taking phytosterols as a dietary supplement are not yet known.
The U.S. Food and Drug Administration (FDA) does not regulate dietary supplements in the same way it regulates medicines. A dietary supplement can be sold with limited or no research on how well it works.
Always tell your doctor if you are using a dietary supplement or if you are thinking about combining a dietary supplement with your conventional medical treatment. It may not be safe to forgo your conventional medical treatment and rely only on a dietary supplement. This is especially important for women who are pregnant or breastfeeding.
When using dietary supplements, keep in mind the following:
Current as of:
March 17, 2021
Author: Healthwise StaffMedical Review: Adam Husney MD - Family Medicine
Current as of: March 17, 2021
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine
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