Form	Formulation	Elemental iron	Adult dosage
Intravenous
Sodium ferric gluconate (Ferrlecit)	Solution for injection	12.5 mg per mL	Based on weight and amount of desired change in hemoglobin*
Iron dextran	Solution for injection	50 mg per mL
Iron sucrose	Solution for injection	20 mg per mL
Ferumoxytol	Solution for injection	30 mg per mL
Oral
Ferrous fumarate	324-mg tablet	106 mg	One tablet twice per day
Ferrous gluconate	300-mg tablet	38 mg	One to three tablets two or three times per day
Ferrous sulfate	325-mg tablet	65 mg	One tablet three times per day