Red yeast rice has been shown to have the benefits of cholesterol lowering abilities, as it contains lovastatin. This compound is a HMG-CoA reductase inhibitor which inhibits cholesterol synthesis in the body. Red Yeast Rice contains other cholesterol lowering compounds. There many clinical studies about the beneficial effect of red yeast rice on cholesterol levels. Most of the subjects are either patients suffered from hyperlipidermia or coronary artery disease. All studies reviewed show the efficacy of red yeast rice on cholesterol-lowering.