Vitamin K & warfarin (Coumadin) - Warfarin (Coumadin) patients should have a healthy, consistent intake of vitamin K in their diets. ... Spinach salad is high in vitamin K, so you have just increased your vitamin K intake for the week. - read more
Warfarin Interaction Rating: Moderate Be cautious with this combination. Talk with your health provider. Spinach contains large amounts of vitamin K. Vitamin K is used by the body to help blood clot. - read more
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