Formulation	Dosing (elemental iron)
Ferrous fumarate	Tablet: 90 (29.5) mg, 324 (106) mg, 325 (106) mg, 456 (150) mg
Ferrous gluconate	Tablet: 240 (27) mg, 256 (28) mg, 325 (36) mg
Ferrous sulfate	Drops and oral solution: 75 (15) mg per mL
	Elixir and liquid: 220 (44) mg per 5 mL
	Syrup: 300 (60) mg per 5 mL
	Tablet: 300 (60) mg, 324 (65) mg, 325 (65) mg
	Extended-release tablets: 140 (45) mg, 160 (50) mg, 325 (65) mg
Polysaccharide-iron complex and ferrous bisglycinate chelate	Capsule: elemental iron (50 mg, 150 mg with or without 50 mg vitamin C)
	Elixir: elemental iron (100 mg per 5 mL)