Can You Take Probiotics and Warfarin Together?
No documented interaction was identified between probiotics and warfarin in the sources reviewed.
What the interaction means
Warfarin's FDA label does not mention probiotics. NCCIH's probiotics page does not mention warfarin.
No documented interaction 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 authoritative 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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- Warfarin and St. John's WortUse caution
- Warfarin and Vitamin KUse caution
- Warfarin and CiprofloxacinUse caution
- Warfarin and CoQ10 (Coenzyme Q10)Use caution
- Warfarin and CalciumInsufficient evidence
- Warfarin and LisinoprilInsufficient evidence
- Warfarin and SertralineUse caution
- Warfarin and OmeprazoleUse caution
- Warfarin and Vitamin B12Insufficient evidence
- Warfarin and DoxycyclineInsufficient evidence
- Warfarin and CopperInsufficient evidence
- Warfarin and LevothyroxineInsufficient evidence
- Warfarin and MetforminInsufficient evidence
- Warfarin and Vitamin DInsufficient evidence
- Warfarin and SpironolactoneInsufficient evidence
- Warfarin and CaffeineUse caution
- Warfarin and AtorvastatinUse caution
- Warfarin and CreatineInsufficient evidence
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