Beta-sitosterol & Cholesterol Levels

Beta-sitosterol and cholesterol are closely related. Both belong to the sterol family, with cholesterol produced by animals (including humans) and beta-sitosterol manufactured in plants. This close relation helps to minimize cholesterol intake.
  1. Sources

    • Soybeans, rice bran, wheat germ and corn oils contain highly concentrated levels of the white, waxy substance called beta-sitosterol. This natural compound is also found in fruits, vegetables and nuts.

    Function

    • Beta-sitosterol is commonly used to minimize cholesterol intake. "When consumed with cholesterol, it effectively blocks cholesterol's absorption, resulting in lower serum cholesterol levels," says Dr. Michael Lam, a specialist in nutritional medicine.

    Effects

    • The human body fails to process beta-sitosterol efficiently. This is beneficial to reducing cholesterol intake as cholesterol binds to beta-sitosterol, and the two substances move quickly through the digestive system toward excretion.

    Dosage

    • Physicians commonly suggest dietary supplementation. "Between 500 mg and 10 grams of beta-sitosterol per day have been used in clinical research to reduce elevated blood cholesterol levels," reports the University of Michigan Health System.

    Warning

    • Commonly taken in pill or liquid form, side effects of beta-sitosterol may include diarrhea, constipation, gas, nausea or indigestion.

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