Pantothenic acid has a high bioavailability in the human body, usually in the following ways: 1, it can fight infection, pantothenic acid can play the role of immune barrier effect on the human body, for acute inflammatory infections, appropriate supplementation of pantothenic acid can play a certain anti-inflammatory, anti-infection, and increase the effect of human immunity. 2, pantothenic acid is essential in the conversion of the three major metabolic substances, sugar, fat and protein into energy. Pantothenic acid is an essential nutrient for the brain and neurons in the human body, if the body lacks pantothenic acid, brain neurotransmitters cannot properly and normally release impulses, thus preventing the normal formation of brain waves in the brain. 4, pantothenic acid can play a role in helping the formation of the cytoskeleton and maintaining the normal development of normal human cells. Therefore, pantothenic acid has a wide range of roles in the human body.