Iron is an essential mineral for red blood cell production. Red blood cells carry oxygen throughout the body and are a necessary component of hemoglobin. Nature's Bounty Iron + Ferrous Sulfate is a Mineral Supplement rich in Iron. It supplies the body with sufficient amount of iron to prevent its deficit. It promotes red blood cells production and also prevents hemoglobin levels from dropping. It is free of artificial colors, flavor, sugar, and more. It also does not contain any preservatives.