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Ferrous Gluconate Dosage

Applies to the following strength(s): 240 mg ; 320 mg ; 86 mg ; 325 mg ; 225 mg ; 300 mg ; 324 mg ; 256 mg ; 300 mg/5 mL ; 324 mg (37.5 mg elemental iron)

The information at is not a substitute for medical advice. Always consult your doctor or pharmacist.

Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Iron Deficiency Anemia

Initial: 325 mg orally once a day.

Maintenance: 325 mg orally 3 times a day. Resolution of iron deficiency anemia may require ferrous gluconate supplementation for several weeks or months, depending on the duration and severity of the anemia.

Usual Adult Dose for Vitamin/Mineral Supplementation

325 mg orally once a day.

The recommended daily allowance (RDA) of elemental iron is 10 mg for adult males, 15 mg for adult, premenopausal women, and 10 mg for postmenopausal women.

Usual Pediatric Dose for Iron Deficiency Anemia

Premature neonates:
2 to 4 mg elemental iron/kg/day divided every 12 to 24 hours (maximum daily dose = 15 mg).

Infants and children <12 years:
Prophylaxis: 1 to 2 mg elemental iron/kg/day (maximum 15 mg) in 1 to 2 divided doses.

Mild to moderate iron deficiency anemia:
3 mg elemental iron/kg/day in 1 to 2 divided doses.

Severe iron deficiency anemia:
4 to 6 mg elemental iron/kg/day in 3 divided doses.

Renal Dose Adjustments

No adjustments recommended

Liver Dose Adjustments

No adjustments recommended


Iron supplementation is routinely provided to peritoneal dialysis and hemodialysis patients for prevention or treatment of anemia associated with chronic renal failure.

Other Comments

Iron supplements are generally better absorbed on an empty stomach, however, if gastric intolerance occurs, iron may be taken with food.

Liquid formulations of iron may stain teeth and should therefore be administered with a straw.

Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6 years. Keep this product out of reach of children. In case of accidental overdose, call a physician or poison control center immediately.