VB is the abbreviation of vitamin B. There are many roles and effects of vitamin B. 1, acting on the digestive tract, can enhance the function of gastrointestinal absorption and digestion, can significantly prevent the incidence of digestive tract tumors, can avoid being ulcers or excessive secretion of gastric acid, can promote the peristalsis of the gastrointestinal mucosa, and effectively prevent constipation. 2, the effects of vitamin B on the endocrine system are, can regulate the endocrine function, can 3, vitamin B action on the nervous system can stabilize the nervous system, such as anxiety, insomnia, irritability, irritability, forgetfulness and other neurological disorders. Finally for the circulatory system of blood circulation has helped to reduce the circulatory system aorta, capillaries and endothelial cells damage.