Official resources
Fact sheets from the NIH Office of Dietary Supplements related to this ingredient group.
- Iron Supplement (ClinicalTrials.gov)
- Dietary Supplement Fact Sheet: Iron — Health Professional Fact Sheet (ODS)
- Iron - Clinical trials (PubMed)
- Iron - Dose and administration (PubMed)
- Iron - Adverse effects (PubMed)
- Iron - Contraindications (PubMed)
- Iron - Mechanism of action (PubMed)
- Iron - Kinetics (PubMed)
- Iron - Poisoning (PubMed)
- Iron - Dietary supplement use in human (PubMed)
- Iron (MedlinePlus Supplements)
Dietary Supplement Label Database
Ingredient group data in NutriNav is aligned with the NIH Dietary Supplement Label Database (DSLD).
- DSLD group id
- 254
Compare All Forms
1 formCompare supplement forms of Iron by absorption quality and what your body actually gets from each:
Type: Minerals
Inorganic elements essential for various physiological functions including bone formation, nerve function, and enzyme activity.
Absorption: Minerals often compete for absorption. Chelated forms generally have better bioavailability.
Interactions: High doses of some minerals can interfere with absorption of others. Some minerals can interact with medications.