Vitamin B tablets generally refer to Vitamin B Complex tablets, which can be used for the prevention and treatment of malnutrition, beriberi, pellagra, anorexia and other conditions caused by B vitamin deficiency. The main ingredients of Vitamin B Complex Tablets are Vitamin B₁, Vitamin B₂, Vitamin B₆, Niacinamide, and Calcium Pantothenate, all of which are essential material components, and a deficiency of which can lead to malnutrition, anorexia, pellagra, and other conditions, and which can be prevented and treated with the use of this medication. Vitamin B complex tablets may cause adverse reactions such as skin itching, flushing, rash, etc. Irritability, fatigue, loss of appetite may occur with large doses, as well as yellow color of urine. People who are allergic to this product are prohibited from taking it. Physical symptoms can be timely to the hospital, under the guidance of the physician medication.