DefinitionVLDL stands for very low density lipoprotein. Lipoproteins are substances made of cholesterol, triglycerides, and proteins. They move cholesterol, triglycerides, and other lipids to different parts of the body.There are three major types of lipoproteins. VLDL contains the highest amount of triglycerides. VLDL is considered a type of bad cholesterol, because it helps cholesterol build up on the walls of arteries.This article discusses the laboratory test to measure the amount of VLDL in your blood.See also:HDL testLDL testTotal cholesterol testHigh blood cholesterol and triglyceridesAlternative NamesVery low density lipoprotein testHow the test is performedBlood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killin