HDL cholesterol removes extra cholesterol and plaque buildup in your arteries. Learn more about HDL and what foods can help increase your HDL levels. High-density lipoprotein (HDL) is sometimes known as “good” cholesterol. HDL helps carry cholesterol from the arteries to the liver, where the body can use it or excrete it. High HDL levels also... High-density lipoprotein (HDL) cholesterol is known as the "good" cholesterol because it helps remove other forms of cholesterol from the bloodstream. A higher level of HDL cholesterol is linked to a lower risk of heart disease. HDL (high density lipoprotein) is known as the " good" cholesterol ; it helps remove other cholesterol from the body. Learn how to increase your levels.