Nature's lab - iron plus vitamin c - orange - 120 fast dissolving melts iron is an essential trace mineral and an important component of hemoglobin, the protein in red blood cells that assists in the transportation of oxygen throughout the body. Low iron levels may lead to feelings of fatigue. Nature's lab iron plus vitamin c s ironregulation to promote healthy energy levels and red blood cell health. This formula utilizes carbonyl iron, a gradual and gentle iron that's easy to digest, as well as vitamin c for enhanced absorption. . Nature's lab iron plus vitamin c healthy - orange 120 melts (120 servings)