Vitamin B Multi refers to vitamin B complex tablets, applicable to the lack of B vitamins (including vitamin B ₁, vitamin B ₂, vitamin B ₆, vitamin B ₁ ₂, folic acid, niacinamide, biotin), there is a preventive and curative effect on malnutrition, anorexia, beriberi, pellagra and other maladies caused by a deficiency of B vitamins For example, deficiency of vitamin B₁ will produce beriberi, deficiency of vitamin B₂ will produce pellagra, deficiency of vitamin B₁₂ will produce megaloblastic anemia, and deficiency of folic acid will produce megaloblastic anemia. Specifically, you can supplement the appropriate B vitamins according to your doctor’s recommendation. Most B vitamins can satisfy physiological functions through daily diet, such as coarse grains and cereals, lean meat, beans, and so on. B vitamins as the body’s important vitamins, appropriate supplementation of B vitamins can maintain the body’s metabolism, but should not exceed the recommended amount, and should not be consumed at the same time with the same type of nutrient supplements, the use of which should be consulted with a doctor, under the guidance of the doctor to take. The contraindications of vitamin B complex tablets are not clear, but large doses may cause irritability, fatigue, loss of appetite and other adverse reactions, and occasional adverse reactions such as flushing of the skin, itching, and possible yellow color of the urine. It should be taken in accordance with medical advice.