Conjugated linoleic acid, also known as conjugated linoleic acid, is a group of isomers of linoleic acid derived from linoleic acid, which is a nutrient commonly found in humans and animals. In human food, it mainly comes from dairy products and beef and mutton. Human serum lipids and other tissues such as adipose tissue contain. It can reduce fat accumulation in the body and play a role in lipid and glucose metabolism.