Levothyroxine and iron
Can I take levothyroxine with iron?
Levothyroxine and iron should be reviewed for timing because iron products can affect thyroid medicine absorption and thyroid lab control.
Last reviewed: June 12, 2026
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This preview links levothyroxine identity and label-search anchors plus the NIH ODS iron fact sheet. It does not set a personal timing schedule.
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Ask a clinician or pharmacist how to separate levothyroxine from iron supplements, prenatal vitamins, multivitamins, or fortified products for your exact prescription.
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Does this include multivitamins?
It can. Iron may appear in multivitamins, prenatal vitamins, and fortified products, so the exact label matters.
Can this page change a thyroid dose?
No. Thyroid dose changes and lab interpretation belong with the prescriber.
Why does timing matter?
Timing can affect absorption, so the prescription label and pharmacist guidance should be checked before routine combined use.
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