Red yeast rice is capable of lowering blood cholesterol levels and total blood cholesterol levels. While the supplement is generally considered safe, it might carry the same potential side effects as statin cholesterol drugs.
Red yeast rice might cost less than a statin. However, with a supplement, there's less assurance regarding quality and how much active ingredient is actually in the product. Some red yeast products might contain only small amounts of monacolin K and potentially have little effect on cholesterol levels.