In calcium, iron, zinc and selenium tablets, the main components are calcium, iron, zinc and selenium, and these trace elements are all made according to scientific formulas, which can promote the absorption of the body well and effectively supplement the elements such as calcium, iron, zinc and selenium that the body loses every day. It can help people supplement calcium, promote the health of bones and teeth and prevent osteoporosis and numbness of hands and feet. The iron contained in it can stimulate people's appetite, refresh their minds, improve anemia and enhance people's physique. In addition, it contains selenium, which can enhance people's immunity, resist oxidation, delay aging and supplement the nutrients needed by the body. If calcium, iron, zinc and selenium are nourished at the same time, the heavy metals in the body can be discharged, which can reduce the harm. Therefore, calcium, iron, zinc and selenium tablets have many functions now, mainly because they can contain a variety of trace elements, and can become a nutritional supplement that people can choose at present, so that the body can absorb enough nutrition.