Ferrous succinate mainly contains a ferrous element, whose main role is to be used for iron supplementation. Ferrous iron enters the body and is converted into trivalent iron, which finally participates in the metabolism of iron in the body and is used for the synthesis of red blood cells, the main role, which is used to supplement the raw materials for hematopoiesis and for the treatment of iron deficiency anemia. In addition to ferrous succinate, there are some iron can also play a therapeutic role, like iron sucrose, iron polysaccharide is generally often used, there are also some food iron content is also relatively high, can also play a role in iron supplementation, like kelp, fungus, nori, shrimp, fish, egg yolk iron content is also relatively high, can also be used to supplement iron. Generally the combination of drugs and food together with the supplement, the effect will be a little better. However, the succinic iron has side effects, stimulating the stomach is more obvious, some people may take after the gastrointestinal tract reaction is heavy, so generally to take the best after half an hour after meals, if not comfortable, can be changed to intravenous, the effect may be better, the side effects are relatively small.