WellSpan Home

Beta-Sitosterol Plant Extract

Topic Overview

What is beta-sitosterol plant extract?

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.

What is beta-sitosterol used for?

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). How beta-sitosterol works is not known. It may be related to cholesterol metabolism or anti-inflammatory effects.

A review of studies done on beta-sitosterol showed that men who took it had fewer symptoms than men who took a placebo. Symptoms were measured using the American Urological Association (AUA) symptom index. Men who took beta-sitosterol also had a better urine flow rate then men who took a placebo.footnote 1

Research supports the fact that phytosterols, including beta-sitosterol, can reduce cholesterol levels. Some studies suggest that phytosterols may reduce the risk of some cancers, but more research is needed to know how well they really work.

Is beta-sitosterol safe?

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:

  • Like conventional medicines, dietary supplements may cause side effects, trigger allergic reactions, or interact with prescription and nonprescription medicines or other supplements you might be taking. A side effect or interaction with another medicine or supplement may make other health conditions worse.
  • The way dietary supplements are manufactured may not be standardized. Because of this, how well they work or any side effects they cause may differ among brands or even within different lots of the same brand. The form of the supplement that you buy in health food or grocery stores may not be the same as the form used in research.
  • Other than for vitamins and minerals, the long-term effects of most dietary supplements are not known.

References

Citations

  1. Wilt TJ, et al. (1999). Beta-sitosterols for benign prostatic hyperplasia. Cochrane Database of Systematic Reviews (3).

Other Works Consulted

  • Bradford PG, Awad AB (2007). Phytosterols as anticancer compounds. Molecular Nutrition and Food Research, 51(2): 161–70.
  • Weingarter O, et al. (2008). Vascular effects of diet supplementation with plant sterols. Journal of the American College of Cardiology, 51(16): 1553.

Credits

Current as ofJune 28, 2018

Author: Healthwise Staff
Medical Review: Adam Husney, MD - Family Medicine


Are you sure you would like to cancel?

All information will be lost.

Yes No ×

About the provider search

This search will provide you with WellSpan Medical Group and Northern Lancaster County (Ephrata) Medical Group primary care physicians and specialists. If we don’t have a WellSpan Medical Group physician to meet your criteria, the search will expand to include community physicians who partner with WellSpan Medical Group physicians through the WellSpan Provider Network or provide care to patients on the Medical Staffs of WellSpan’s Hospitals.

×

Schedule Your Next Appointment Online with MyWellSpan

Use your MyWellSpan patient portal any time to view available appointments, and pick the date and time that best suits your schedule.

Go to MyWellSpan

New to this practice?

If you don't have a WellSpan primary care provider and would like to schedule a new patient appointment with a provider who is accepting patients, just log into your MyWellSpan account, and go to the Appointment Center section. As you progress through the scheduling process, you will be able to see the offices that are accepting new patients in relation to your zip code. If you are not enrolled in MyWellSpan, go to https://my.wellspan.org, call 1-866-638-1842 or speak with a member of the staff at a participating facility to sign up. New patient scheduling not available at all practices/programs.

Already a patient at this practice?

If you already have a relationship with a WellSpan practice, simply log into your account, and go to the Appointment Center section. As you progress through the scheduling process, you will be able to schedule an appointment with any provider or practice that already counts you as a patient. Online scheduling varies by practice/program.

×