Vitamin B complex should mean vitamin B complex tablets, which can be taken, but should be taken under the guidance of a physician. Complex vitamin B tablets contain a high content of B vitamins, providing a variety of coenzyme raw materials for the human body, complex vitamin B tablets are suitable for the prevention and treatment of B vitamin deficiency caused by malnutrition, anorexia, foot fungus, pellagra and so on. Large doses of vitamin B complex tablets may appear irritability, fatigue, loss of appetite, etc. Occasionally, skin flushing, itching, urine may be yellow and other adverse reactions. Suffer from foot fungus, vitamin B deficiency of the population can be under the guidance of the doctor to take the appropriate amount of vitamin B complex tablets, the doctor to determine the use of the dosage and the use of treatment, do not blindly self-supplementation of large quantities of vitamin B complex tablets. In addition, people who are allergic to vitamin B complex tablets are prohibited from taking them.