What is beta-sitosterol?

Beta-Sitosterol is a natural plant sterol that occurs in foods such as Fruits, vegetables, Nuts, and Seeds, with a structure similar to cholesterol. It has many beneficial actions, thus can reduce cholesterol and Hair Loss and acting against prostatic hyperplasia and chronic fatigue syndrome. Also, beta-sitosterol Glycosides s have immuno-regulatory activities.

Immune system

The combination of beta-sitosterol and its Stress hormone...

Thus beta-sitosterol can be used preventive and therapeutically for many health states that involve Immune System dysregulation and inflammation, such as:

  • Herpes, Human Papillomavirus (HPV), warts
  • Auto-immune disease: lupus (SLE), Psoriasis, Vitiligo, Rheumatoid Arthritis, chronic fatigue syndrome
  • Allergies
  • Asthma
  • Protection from Cold and flu

In Greece, a Nutritional supplement, the Moducare Modullon, is available with a patented content of Beta Sitosterol s and Sterolin s (20 mg and 0,20 mg, respectively) of high bioavailability and action.


Beta-sitosterol is generally considered Safe. Intake during pregnancy and lactation has not yet been studied, so it's better to avoid patients with inherited sitosterolemia, and those that take drugs such as Η ezetimibe and pravastatinmust not take beta-sitosterol.