Ferrex 28 is part of the Multivitamin and Mineral Supplements class and treats Anemia and Iron Deficiency. Multivitamin and mineral supplements are used to provide higher concentrations of vitamins and minerals for prenatal nutrition, iron deficiency, and nutritional deficiency. They work by increasing levels of certain vitamins and minerals in the body. Ferrex 28 is only available as a generic drug. Get Ferrex 28 for as low as $15.99, which is 53% off the average retail price of $34.22 for the most common version, by using a GoodRx coupon.