The effects of B vitamins are as follows: vitamin B2 is involved in body metabolism as an enzyme and plays an important role in maintaining energy metabolism in the body, which can effectively promote the growth of cells, while helping the body maintain good eyesight. Vitamin B1 can effectively stimulate the stomach to secrete gastric juice and promote intestinal peristalsis, which can improve symptoms such as loss of appetite and indigestion. At the same time, vitamin B1 is involved in the process of sugar metabolism in the body, which helps maintain the stability of blood sugar in the body. Vitamin B3 can maintain the normal functioning of the nervous system and help relieve the symptoms of mental anxiety, and vitamin B7 has a certain therapeutic effect on symptoms such as hair loss and skin diseases. b vitamins are involved in a variety of physiological and biochemical processes in the body, so the right amount of b vitamins can help the body maintain a good metabolism, eliminate inflammation in the body and reduce the production of melanin.