Preparation	Elemental iron (%)	Typical dosage	Elemental iron per dose	Cost (generic)*
Ferrous sulfate	20	325 mg three times daily	65 mg	$1.33 to 2.42
Ferrous sulfate, exsiccated (Feosol)	30	200 mg three times daily	65 mg	6.94
Ferrous gluconate	12	325 mg three times daily	36 mg	1.68 to 2.16
Ferrous fumarate (Hemocyte)	33	325 mg twice daily	106 mg	9.00 (1.68 to 2.93)