Food and medication
Vitamin K and medication
Vitamin K helps blood clot and works against warfarin-type medicines. What matters is keeping the amount steady from week to week, not cutting these foods out.
2 medicines on our checker are affected. Tap a medicine for every food and drink that matters with it.
Take care vitamin k with these medicines
- Warfarin · coumarin, vitamin k antagonist
Vitamin K works against warfarin. Keep the amount steady from week to week rather than cutting it out.
Fine vitamin k with these medicines
- DOACs · apixaban, eliquis, rivaroxaban
No vitamin K rules on DOACs. Eat leafy greens freely.
Foods and drinks that count as vitamin k
- Kale
- Spinach
- Broccoli
- Brussels sprouts
- Cabbage
- Spring greens
- Swiss chard
- Collard greens
- Dark lettuce
- Watercress
- Rocket
- Parsley
- Fresh coriander
- Asparagus
- Green beans
- Peas
- Okra
- Pak choi
- Spring onions
- Kiwi fruit
- Avocado
- Prunes
- Green tea
- Soya oil
- Rapeseed oil
- Mayonnaise
- Liver
- Natto
- Vitamin K supplements
- Mustard greens
- Turnip tops
- Beetroot leaves
- Endive
- Radicchio
- Fresh basil
- Pesto
- Chives
- Edamame
- Seaweed
- Green smoothies
- Blueberries
Common questions
- Which medicines does vitamin k affect?
- 2 medicines on our checker: Warfarin (take care), DOACs (fine).
- Which foods count as vitamin k?
- Kale, Spinach, Broccoli, Brussels sprouts, Cabbage, Spring greens, Swiss chard, Collard greens, Dark lettuce, Watercress, Rocket, Parsley, Fresh coriander, Asparagus, Green beans, Peas, Okra, Pak choi, Spring onions, Kiwi fruit, Avocado, Prunes, Green tea, Soya oil, Rapeseed oil, Mayonnaise, Liver, Natto, Vitamin K supplements, Mustard greens, Turnip tops, Beetroot leaves, Endive, Radicchio, Fresh basil, Pesto, Chives, Edamame, Seaweed, Green smoothies, Blueberries.
General information from NHS medicine pages and drug labels, not medical advice. Always follow your prescriber, pharmacist or the leaflet with your medicine. How we check.