Rosulip is actively composed of an active ingredient called Rosuvastatin, which belongs to a class of medicines called statins. Such drugs are also called HMG-CoA reductase inhibitors (statins). It works by slowing the secretion of cholesterol in the body to reduces the amount of cholesterol that may build up on the walls of the blood vessels and block blood flow to all the vital organs in the body. Arteries get narrowed due to the building up of cholesterol. It helps to lower the bad cholesterol (LDL) and increases good cholesterol (HDL).