Is It Effective?

There is good evidence that it can lower cholesterol levels and may also help relieve the symptoms of an enlarged prostate. There is not enough evidence to tell if it is effective for other uses as well (see Does Beta-Sitosterol Work? for more information).

Dosing Information

Based on clinical studies, basic dosing recommendations for beta-sitosterol are available. The recommended dose will depend on the particular product you take.
(Click Beta-Sitosterol Dosage for more information.)

Side Effects of Beta-Sitosterol

Beta-sitosterol usually does not cause many side effects. If they do occur, side effects may include:
(Click Beta-Sitosterol Side Effects to learn more, including potentially serious side effects that you should report immediately to your healthcare provider.)

Drug Interactions

Beta-sitosterol can potentially interact with a few medications (see Beta-Sitosterol Drug Interactions).

Safety Issues

Beta-sitosterol is probably safe for most people when taken in normal amounts, such as amounts found in food, but higher doses could cause problems. Some people may be more likely to experience problems than others. Therefore, you should talk with your healthcare provider prior to taking it if you have:
  • A vitamin deficiency due to malabsorption digestive problems
  • Sitosterolemia (phytosterolaemia), a rare genetic condition
  • Any allergies, including allergies to foods, dyes, or preservatives.
Also, let your healthcare provider know if you are:
Make sure to tell your healthcare provider about all other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
(Click Is Beta-Sitosterol Safe? for more information, including any available warnings and precautions.)
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Beta-Sitosterol Supplements

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