The best time to take zinc supplements is usually after a meal. Zinc is an important trace element in the body, zinc exists a certain degree of irritation, may cause gastrointestinal discomfort due to contact with the gastric mucosa, stomach pain, so avoid taking it on an empty stomach. Zinc deficiency is prone to loss of appetite, anorexia, anorexia, at the same time for infants and young children can appear short stature, yellow hair, etc., for adolescents, there can be a delay in the development of secondary sexual characteristics. When zinc deficiency occurs, it is necessary to check the zinc level in the hospital frequently during the process of zinc supplementation, so as to avoid oversupplementation. Both zinc deficiency and zinc oversupplementation are detrimental to the organism. If uncomfortable symptoms occur, please consult your doctor and take it as prescribed by your doctor to avoid delays.