Can I Take These?

Can You Take Creatine and Levothyroxine Together?

No documented interaction was identified between creatine and levothyroxine in the sources reviewed.

No documented interaction identifiedEvidence: Moderate

See the full Creatine page and Levothyroxine page for other reviewed interactions and reference information.

What the interaction means

NCCIH's bodybuilding-supplements page (which covers creatine) does not mention levothyroxine. Levothyroxine's own FDA label does not mention creatine.

No documented interaction between Creatine and Levothyroxine 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 Creatine's and Levothyroxine's own current authoritative sources were checked directly, full text, in both directions.

What the sources say

Levothyroxine Sodium Capsules — FDA Prescribing Information — YARAL Pharma, Inc. (via DailyMed, U.S. National Library of Medicine)Bodybuilding and Performance Enhancement Supplements — National Center for Complementary and Integrative Health (NIH)

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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