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Can I eat this with Warfarin?
Warfarin works against vitamin K. Sudden changes in vitamin K intake swing your INR — consistency matters more than avoidance.
Type any food below for an instant verdict — we track 17 foods for Warfarin (2 to avoid, 11 needing caution) — or browse the full list.
1 · Your medication
Warfarin (coumarin, vitamin k antagonist) — Warfarin works against vitamin K. Sudden changes in vitamin K intake swing your INR — consistency matters more than avoidance.
You do not need to avoid vitamin K foods — you need to keep your intake steady week to week. Sudden binges or sudden cuts are what destabilise INR. Tell your anticoagulation clinic about any major diet change.
Read the full Warfarin guide →2 · The food you're wondering about
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This checker summarises widely published UK guidance (NHS, patient information leaflets, standard prescribing references) for general information only. It is not medical advice, it is not exhaustive, and it cannot account for your dose, kidney function, other medicines, or health conditions. Always follow your prescriber, pharmacist, or the patient information leaflet — especially before changing what you eat or drink. See our editorial policy.
Want the complete picture — meal ideas, timing, and the science? Read the full Warfarin food guide, or check a different medication on the main checker.