Iron supplements are oral/intravenous supplements containing iron that is prescribed in iron deficient states.The common causes of  iron deficient states are •CHRONIC BLEEDING »MENORRHAGIA »PEPTIC ULCER »STOMACH CANCER »ULCERATIVE COLITIS »INTESTINAL CANCER »HAEMORRHOIDS •DECREASED IRON INTAKE •INCREASED IRON REQUIRMENT  (JUVENILE AGE, PREGNANCY, LACTATION)  The correction of iron deficiency is done by either oral or intravenous iron preparations and treatment of underlying diseases. Oral iron therapy •The optimal daily dose - 200 mg of elemental iron • Iron salts                                               Elemental iron •Ferrous sulfate dried 200 mg                      65 mg •Ferrous fumarate 200 mg                           65 mg •Ferrous gluconate 300 mg                          35 mg •Ferrous glycine sulfate 225 mg                   40 mg •Ferrous succinate 100 mg              …