to lower bad cholesterol 39% to 60%. lipitor is fda approved to reduce the risk of heart attack and stroke in patients who have heart disease or risk factors for heart disease. [ female announcer ] lipitor is not for everyone, including people with liver problems and women who are nursing, pregnant or may become pregnant. you need simple blood tests to check for liver problems. tell your doctor if you are taking other medications or if you have any muscle pain or weakness. this may be a sign of a rare but serious side effect. let's go, boy, go! whoo-whee! if you have high cholesterol, you may be at increased risk of heart attack and stroke. don't kid yourself. talk to your doctor about your risk and about lipitor.