Maltofer is for the treatment of iron deficiency in adults and adolescents where the use of ferrous iron supplements is not tolerated, or otherwise inappropriate. For the prevention of iron deficiency in adults and adolescents determined by a medical practitioner to be at high-risk, where the use of ferrous iron supplements is not tolerated, or otherwise inappropriate. If you have iron deficiency, your doctor will advise you whether an oral iron treatment is required.