SimvaZocorArrow Pharmaceuticals. Rx quality 90 Tablets 40mg . Simvastatin is a cholesterol-lowering medication that blocks the production of cholesterol (a type of fat) in the body. Simvastatin reduces low-density lipoprotein (LDL) cholesterol and total cholesterol in the blood. Lowering your cholesterol can help prevent heart disease.Simvastatin is used for: Lowering blood cholesterol levels and thereby reducing the risk of stroke, heart attack, and heart disease. This medicine may also be used to lower triglycerides. .