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A plant-derived chemical similar to cholesterol, commonly found in wheat germ, soybeans, and corn oil.
Synonym(s): beta-sitosterol

beta-sitosterol (bā·t·sisˑ·ter·l),

n a mixture of phytochemicals—specifically sitosterolins and phytoesterols. Used to treat an enlarged prostate and as an immunomodulator. No known precautions.
References in periodicals archive ?
In this study, five targeted active compounds (Table 3) were detected in all three fermentation systems; caffeine, theobromine, gamma-tocopherol, stigmasterol and beta-sitosterol.
For instance, transcription factor AP-1 (T60) which is predicted to be the potential target of Beta-sitosterol (MOL000358) may be a therapeutic target for the treatment of a series of diseases, including breast cancer (neoplasms), allergic airway inflammation (respiratory tract diseases) and rheumatoid arthritis (musculoskeletal diseases).
has been shown to exhibit potent antihyperglycemic activity in rats; lupeol acetate, beta-sitosterol, alpha-amyrin, and beta-amyrin were present in the fractions [36].
Studies have shown that phytosterols such as beta-sitosterol may help normalize the function of T-helper lymphocytes and natural killer cells following stressful events [21].
Ryan and colleagues show that bioactive rice bran derived small molecules include, but are not limited to polyphenolics, ferulic acid, tricin, beta-sitosterol, -oryzanol, tocotrienols/tocopherols, and phytic acid.
For men whose prostate starts to grow because they are over 40, why shouldn't they be provided with the opportunity to reduce nighttime trips to the bathroom through the use of beta-sitosterol and saw palmetto, rather than taking the prescription drug finasteride?
14) The most studied and most commonly used nutrient from this category is beta-sitosterol (BSS) and its glycoside (BSSG).
Oil made from the Neem tree's fruit and seeds contains steroids, such as beta-sitosterol (used to treat men suffering from enlarged prostate glands), linoleic and olei acids (Omega 6 and 9).
Recent published claims indicate that acai beta-sitosterol prevents immune suppression and modulates lymphocyte activity.
Then they "treated" them in lab dishes by adding simvastatin (a statin) or beta-sitosterol (a phytosterol).