Lipoprotein metabolism refers to the process by which the body transports and utilizes lipids, such as fats and cholesterol, through the bloodstream. Lipoproteins, which are complexes of lipids and proteins, play a crucial role in this process. They are classified into several types, including chylomicrons, very low-density lipoproteins (VLDL), low-density lipoproteins (LDL), and high-density lipoproteins (HDL), each serving different functions in lipid transport. The liver produces lipoproteins, which then circulate in the bloodstream to deliver lipids to various tissues. Chylomicrons transport dietary fats from the intestines, while VLDL carries triglycerides from the liver. LDL is often referred to as "bad cholesterol" due to its association with plaque buildup in arteries, whereas HDL is known as "good cholesterol" for its role in removing excess cholesterol from tissues and transporting it