Can You Take Iron and Metformin Together?
No documented interaction was identified between iron and metformin in the sources reviewed.
See the full Iron page and Metformin page for other reviewed interactions and reference information.
What the interaction means
Metformin's FDA label does not mention iron. Iron's own NIH fact sheet does not mention metformin.
No documented interaction between Iron and Metformin was identified in the authoritative sources reviewed. This is not a guarantee that no interaction exists for every dose, formulation, or individual -- it means the sources checked did not document one.
Practical context
Both substances' own current FDA/NIH sources were checked directly, full text, in both directions.
What the sources say
Last reviewed 2026-08-23
Medical information disclaimer: this information is general and educational. It does not diagnose conditions, prescribe treatment, or determine whether a combination is safe for you personally. Follow your prescription label and ask a pharmacist or clinician before starting, stopping, or combining products. Full disclaimer.
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