Liver is manufacturing cholesterol from fragments of carbohydrate, protein, and fat and makes about 800 to 1500 mg of cholesterol per day
Many vitally important body compounds are sterols as well as cholesterol such as :
Bile acids
Adrenal hormones(such as testosterone)
Vitamin D
Cholesterol's harmful effects in the body occur when it forms deposits in the artery walls
Lead to atherosclerosis, a disease that causes heart attacks and strokes