Gamma Oryzanol is a mixture of ferulic acid esters of sterols and triterpene alcohols, which is extracted from rice bran oil and other grain oils like corn and barley. Ferulic acid compounds are also contained in many foods, including berries, oats, citrus fruits, olives, tomatoes, and other vegetables. Gamma oryzanol acts a vital antioxidant in plant cells. It has been found to be an efficacious treatment for symptoms of menopause. It can also treat increased cholesterol and triglyceride levels. It is beneficial for hyperlipidemias. Gamma oryzanol is also used to treat gastrointestinal problems. It is a useful supplement in bodybuilding. Gamma oryzanol also has effects on the CNS and endocrine system.