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Ferric Maltol Dosage

Medically reviewed by Last updated on Jun 29, 2022.

Applies to the following strengths: 30 mg

Usual Adult Dose for Iron Deficiency

30 mg orally twice a day, 1 hour before or 2 hours after a meal
Duration of therapy:


  • Treatment duration depends on the severity of iron deficiency but generally at least 12 weeks of therapy are required.
  • Continue treatment until ferritin levels are within normal range.

Use: Iron deficiency

Renal Dose Adjustments

No adjustment recommended (eGFR 15 mL/min/1.73m2 or higher).

Liver Dose Adjustments

Data not available



  • Hypersensitivity to any of the ingredients
  • Hemochromatosis and other iron overload syndromes
  • Receipt of repeated blood transfusions

Safety and efficacy have not been established in patients younger than 18 years.
This drug is not recommended for use in children.

Consult WARNINGS section for additional precautions.


Data not available

Other Comments

Administration advice:

  • Take 1 hour before or 2 hours after a meal.
  • Do not open, break, or chew capsules.

Patient advice:
  • Instruct patients that other medications should be dosed apart from this medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.