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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Sort Of Diet Should Be Followed When On Warfarin?

My name is John & I am on warfarin after having a Aortic valve replacement operation 11 years ago.Recently I have been having a problem with my Warfarin as it has become erratic & my doctor can t work out what sort of doses for me to take. What sort of diet should I follow & avoid leafy green Vegetables.
Mon, 1 Sep 2014
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Dietitian & Nutritionist,  's  Response

HI
Welcome to HCM

In general, leafy, green vegetables contain the highest amounts of vitamin K. A rule of thumb you can follow is: The greener the vegetable, the higher the amount of vitamin K (except for cabbage – is it not dark green, but it does contain a lot of vitamin K). As you might note, these are foods that are
generally good for you and part of a healthy diet. It is important that you do not avoid them simply
because you take warfarin. Note: Most fruits, meats, starches, dairy products and sweets do not contain high amounts of vitamin K.
Here is a selected list of foods that are known to contain vitamin K (it is not all-inclusive):
High Vitamin K Medium Vitamin K
 Broccoli  Asparagus
 Brussel sprouts  Green beans
 Cabbage  Lettuce – red leaf
 Collard greens  Blackberries/Blueberries
 Green tea  Grapes
 Kale  Kiwi
 Lettuce – green leaf, Romaine  Cashews
 Soybeans  Ensure®/Boost® nutritional supplements
 Spinach
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What Sort Of Diet Should Be Followed When On Warfarin?

HI Welcome to HCM In general, leafy, green vegetables contain the highest amounts of vitamin K. A rule of thumb you can follow is: The greener the vegetable, the higher the amount of vitamin K (except for cabbage – is it not dark green, but it does contain a lot of vitamin K). As you might note, these are foods that are generally good for you and part of a healthy diet. It is important that you do not avoid them simply because you take warfarin. Note: Most fruits, meats, starches, dairy products and sweets do not contain high amounts of vitamin K. Here is a selected list of foods that are known to contain vitamin K (it is not all-inclusive): High Vitamin K Medium Vitamin K  Broccoli  Asparagus  Brussel sprouts  Green beans  Cabbage  Lettuce – red leaf  Collard greens  Blackberries/Blueberries  Green tea  Grapes  Kale  Kiwi  Lettuce – green leaf, Romaine  Cashews  Soybeans  Ensure®/Boost® nutritional supplements  Spinach