Iron and ferrous sulfate are related but distinct substances. The key difference between them is: Iron: Iron is a chemical element, one of the major elements that make up the earth and is essential for various biological functions in the human body.
Ferrous Sulfate: Ferrous sulfate is an ionic compound containing iron, sulfur, and oxygen atoms. It is a type of iron supplement used to prevent and treat iron-deficiency anemia. Ferrous sulfate is available as regular, coated, extended-release tablets and capsules, as well as an oral liquid. Iron is needed for the production of hemoglobin, a protein in red blood cells that transports oxygen throughout the body. Ferrous sulfate is used as an iron supplement when a person does not get enough iron through their diet. Side effects of ferrous sulfate may include constipation, stomach cramps, and other digestive issues. Ferrous sulfate is available under different names, such as ferrous sulfate, ferrous sulphate, or iron sulfate. In summary, iron is a chemical element essential for various biological functions, while ferrous sulfate is a type of iron supplement used to prevent and treat iron-deficiency anemia.