Eating a steady amount of vitamin K when you take warfarin (Coumadin)

What foods contain vitamin K?

Foods that are high in vitamin K include:

• Cooked leafy green vegetables such as kale, spinach, turnip greens, collard greens, Swiss chard, mustard greens, seaweed, and beet greens.
• Broccoli, raw or cooked.
• Raw parsley.
• Green tea.

Foods that are medium-high in vitamin K include:

• Raw leafy greens such as spinach, green leaf lettuce, romaine lettuce, iceberg lettuce, and endive.
• Brussels sprouts, cauliflower, and asparagus

Vitamin K is also found in some multivitamins, supplements, and herbal products.

Test Your Knowledge

1. I can eat whatever I want while I'm taking warfarin.

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Author:	Robin Parks, MS	Last Updated: May 23, 2007
Medical Review:	Anne C. Poinier, MD - Internal Medicine Karin M. Lindholm, DO - Neurology
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