WebMD reports that ferrous sulfate, which contains 20% elemental iron, is the most popular iron supplement. There are about 65 mg of elemental iron in a 325 mg ferrous sulfate tablet. Ferrous ...
Oral: Children (dose expressed in terms of elemental iron): Severe iron ... of 15 mg/day Adults (dose expressed in terms of ferrous sulfate):Iron deficiency: 300 mg twice daily up to 300 mg ...
Iron supplements come in different forms, such as ferrous sulfate, ferrous gluconate, and ferrous fumarate, and each has a different level of elemental iron. Vitamin D supplements come in two ...