Best Supplements for Reduced Iron Deficiency
Ranked by research evidence. Compare 4 supplements across 9 papers from the biomedical literature, with effect direction, evidence strength, and dose range for each.
Top picks by evidence
- 1IronModerate evidence5 studies
Across 5 studies, all reported beneficial effects of iron on reducing iron deficiency, with effect sizes ranging from small to large (predominantly moderate to large). The most studied populations were pregnant women and clinical groups (e.g., celiac disease), with doses varying widely from 4.2 mg/day to 55 mg/day or fortification levels. All five studies showed statistically significant reductions, but the evidence certainty is low to moderate, and the overwhelming positive direction raises concerns about publication bias.
4 supplements
- ModerateIronAcross 5 studies, all reported beneficial effects of iron on reducing iron deficiency, with effect sizes ranging from small to large (predominantly moderate to large). The most studied populations were pregnant women and clinical groups (e.g., celiac disease), with doses varying widely from 4.2 mg/day to 55 mg/day or fortification levels. All five studies showed statistically significant reductions, but the evidence certainty is low to moderate, and the overwhelming positive direction raises concerns about publication bias.5 beneficial5 studies