The correct name for Vitamin B Complex Tablets is Vitamin B Complex Tablets. It is mainly used for the prevention and treatment of malnutrition, loss of appetite, beriberi, pellagra and other diseases caused by B vitamin deficiency. Large doses of vitamin B complex tablets may produce irritability, fatigue, loss of appetite, etc. Occasionally, skin flushing, itching, etc., and there may also be an adverse reaction of yellowish urine. Contraindications for B complex vitamin tablets are not known, but they are contraindicated in patients who are allergic to any of the components of the product and should be taken in the lowest dose when used for daily supplementation and prophylaxis. If you need to use Vitamin B Complex Tablets, please consult a professional doctor, follow the doctor’s instructions, and use medication reasonably under the doctor’s supervision.