Choleast (red yeast rice powder) is derived from Monascus purpureus WENT, an organism grown on rice. After centuries of use in Traditional Chinese Medicine, it was discovered that red yeast rice is a potent inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A woman who is pregnant or nursing, or who might become pregnant, should consult a health-care practitioner before using this product.2-4 capsules bid