Zinc oral supplement can be taken at any time of the day. If you have peptic ulcer, upper gastrointestinal bleeding or other gastrointestinal diseases, it is recommended to take it about 1 hour after meals to avoid gastrointestinal discomfort. Zinc is one of the essential trace elements in the human body and plays an extremely important role in the growth and development of the human body, reproductive genetics, immunity, endocrine and other important physiological processes. Zinc deficiency may lead to anorexia, paranoia or heterophagia, oral ulcers, wound healing, decreased immunity, poor growth and development of children, mental retardation, increased pregnancy reactions, delayed fetal development in utero, increased delivery complications, male infertility, etc. Patients with zinc deficiency can take oral zinc supplements as prescribed by the doctor. While taking zinc supplements, avoid taking too much vitamin C and folic acid, which may affect the absorption of zinc and may cause chemical reactions between them. During the zinc supplementation period, it is suitable to eat some fine foods, such as steamed buns, which help to help zinc absorption. Don’t eat too much coarse fiber food. As long as you ensure a balanced diet, you will not be deficient in zinc. Excessive zinc supplementation can also lead to nausea, vomiting, chest pain, anemia and other toxic symptoms, so do not blindly supplement zinc on your own.