Normal people do not need to take iron supplements. The following is an explanation of the reasons for not needing to take iron supplements and the hazards of doing so. 1. The amount of iron absorbed by the human body depends mainly on the amount of iron storage, the state of iron storage and the speed of erythropoiesis, etc. Under normal circumstances, the human body absorbs about 1~1.5mg of iron from food every day. Under normal circumstances, the human body absorbs about 1~1.5mg of iron from food every day, which can meet the demand for iron in normal body activities. Therefore, if no iron deficiency anemia occurs, generally do not need to supplement iron. 2. On the one hand, the blind use of iron supplements by those who do not have iron deficiency anemia will result in waste; on the other hand, the long-term use of iron supplements will lead to excessive iron in the body, so that iron will be deposited in many organs through the bloodstream, resulting in damage to tissue cells, and the blind use of iron supplements without a purpose will be harmful to the human body. Normal people do not need to take iron supplements, even if you need to take iron supplements to treat iron deficiency anemia patients, should also be taken correctly under the guidance of the doctor, so as not to affect the health of the body. Common iron supplements include ferrous succinate and iron sucrose.