... , is one of our best selling products, it's from the Monascus purpureus source, and it's standardized to Lovastatin ... cholesterol lowering agents used in medicine today, were originally derived from yeast products.) Monascus purpureus just happens to contain one of ... Cholestin in earlier times) a regulable drug, and thus remove it from the unregulated shelves of the health food store. Monascus purpureus ...