B vitamins refer to several common vitamins such as vitamin B1, vitamin B2, vitamin B4, vitamin B6, vitamin B12 and rare vitamins such as vitamin B3, known as the B vitamin family, whose efficacy has the following four points: 1, the efficacy of the digestive system, can promote the digestion and absorption of food, relieve bloating, abdominal pain, constipation, lubricate the intestinal tract, improve the absorption and digestive function of food, and The efficacy of B vitamins can also act on the respiratory system, strengthening the mucous membrane and barrier function of the respiratory system, improving the incidence of upper respiratory tract infections, reducing the chance of getting a cold, for the treatment of upper respiratory tract infections, pneumonia, tonsillitis have certain effects; 3, can strengthen the circulatory system and improve the function of the cardio-cerebral vascular system, can promote the damaged cardiovascular endothelial cells It can promote the repair of damaged cardiovascular endothelial cells and is effective in strengthening the blood supply to the heart muscle and brain cells; 4, it is effective for the nervous system and can significantly improve sleep and regulate poor sleep quality.