In this article we will be discussing a very common question: vitamin k foods coumadin. It’s quite a sensitive & complex subject, as such we will do our best at providing a clear and concise article to clear any doubts you may have.
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Try and keep eating what you normally do. Certain foods and dietary supplements have vitamin K. Vitamin K works against warfarin. If you eat more vitamin K, it can lower your INR.
If you eat less vitamin K, it can raise your INR. It is okay to eat foods high in vitamin K.
Check with your provider before making any big changes in your diet. Contact your provider if there are sudden or big changes in your diet due to illness.
The most common foods with high vitamin K are green leafy vegetables such as kale, collard greens, broccoli, spinach, cabbage, and lettuce. Foods with vitamin K that could affect warfarin are listed on the next 2 pages. Other foods that could affect warfarin are beef liver or other animal liver products.
All foods are okay, but do not make big changes to how much or what you eat. Very high in vitamin K (more than 800 mcg per serving)
Food Portion Size Kale (frozen, cooked, boiled) 1 cup Spinach (frozen, cooked, boiled) 1 cup Collards (frozen, cooked, boiled) 1 cup Turnip greens (frozen, cooked, boiled) 1 cup
High in vitamin K (400 to 800 mcg per serving)
Food Portion Size Beet greens 1 cup Dandelion greens 1 cup Mustard greens 1 cup
Medium in vitamin K (80 to 400 mcg per serving)
Food Portion Size Spinach (raw, leaf) 1 cup Brussel sprouts 1 cup Broccoli 1 cup Onions (springs or scallions, tops and bulb) 1 cup Lettuce (iceberg) 1 head Lettuce (green leaf) 1 cup Cabbage 1 cup Asparagus 1 cup Endive 1cup Parsley 10 sprigs Okra 1 cup
Tables were adapted from the USDA National Nutrient database for Standard Referenc.
What Do I Need To Know About My Diet?
Some foods you eat affect the way warfarin works in your body.
Try and keep eating what you normally do. Certain foods and dietary supplements have vitamin K. Vitamin K works against warfarin. If you eat more vitamin K, it can lower your INR.
What Is High In Vitamin K?
The most common foods with high vitamin K are green leafy vegetables such as kale, collard greens, broccoli, spinach, cabbage, and lettuce. Foods with vitamin K that could affect warfarin are listed on the next 2 pages. Other foods that could affect warfarin are beef liver or other animal liver products.
Very high in vitamin K (more than 800 mcg per serving)
Food Portion Size Kale (frozen, cooked, boiled) 1 cup Spinach (frozen, cooked, boiled) 1 cup Collards (frozen, cooked, boiled) 1 cup Turnip greens (frozen, cooked, boiled) 1 cup
High in vitamin K (400 to 800 mcg per serving)
Food Portion Size Beet greens 1 cup Dandelion greens 1 cup Mustard greens 1 cup
Medium in vitamin K (80 to 400 mcg per serving)
Food Portion Size Spinach (raw, leaf) 1 cup Brussel sprouts 1 cup Broccoli 1 cup Onions (springs or scallions, tops and bulb) 1 cup Lettuce (iceberg) 1 head Lettuce (green leaf) 1 cup Cabbage 1 cup Asparagus 1 cup Endive 1cup Parsley 10 sprigs Okra 1 cup
Tables were adapted from the USDA National Nutrient database for Standard Reference.
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Aking Warfarin (Coumadin, Jantoven)?
What Foods Should I Avoid?
Warfarin is a blood-thinning medication that helps treat and prevent blood clots. However, certain foods and beverages can make warfarin less effective in preventing blood clots. It’s important to pay attention to what you eat while taking warfarin.
One nutrient that can lessen warfarin’s effectiveness is vitamin K. It’s important to be consistent in how much vitamin K you get daily. Avoid or consume only small amounts of these drinks when taking warfarin:
Cranberry juice
Alcohol
Talk to your doctor before making any major changes in your diet and before starting any over-the-counter medications, vitamins or herbal supplements. Review/update the information highlighted below and resubmit the form.
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What Is Warfarin?
Warfarin is an anticoagulant, or blood thinner. A healthcare professional may prescribe it to: people who have previously experienced a heart attack
those with an irregular heartbeat
people with mechanical heart valves It’s also used to prevent blood clots from forming in your blood vessels.
In addition, it treats blood clots if they do form by preventing them from getting larger.