Beta-sitosterol is safe for most people, excluding individuals diagnosed with sitosterolemia, a rare disease that impacts fat storage. Common side effects of beta-sitosterol include nausea, gas, indigestion and constipation. Beta-sitosterol has also been linked to erectile dysfunction and loss of libido, reports WebMD.Continue Reading
Beta-sitosterol is likely safe for most people and the common digestive side effects that occur are minor. While it has been associated with loss of interest in sex, it is also used for enhancing sexual activity, according to WebMD. Beta-sitosterol's safety for women who are pregnant or nursing has not been evaluated. Beta-sitosterol is found in nuts, seeds, fruits and vegetables. It is used to treat heart disease and high cholesterol and works by limiting the amount of cholesterol that is absorbed by the body.
Beta-sitosterol may also be used to strengthen the immune system, prevent colon cancer, and treat colds and influenza. Men may use beta-sitosterol to treat an enlarged prostate, as it binds to the prostate and reduces swelling. Women may use it to ease menopause symptoms. Other conditions treated with beta-sitosterol include chronic fatigue syndrome, rheumatoid arthritis, tuberculosis, psoriasis, allergies, cervical cancer, fibromyalgia, lupus, asthma, hair loss, bronchitis and migraine headache, according to WebMD.Learn more about Side Effects