Some foods you eat affect the way warfarin works in your body.It is most important to eat a healthy, consistent, and balanced diet.Contact your health-care provider if there are sudden or big changes in your diet due to illness.The most common foods that have high vitamin K are green leafy vegetables such as kale, collard greens, broccoli, spinach, cabbage, and lettuce.It is important to check with your health-care provider before making any big changes to your diet.Tables were adapted from the USDA National Nutrient database for Standard Reference. .

Top 10 Foods Highest in Vitamin K

Unless you are taking medication to prevent blood clots, like Warfarin or Coumadin, there is no known risk of vitamin K toxicity, and no reason not to eat a lot of it. .

Blood Thinners and Greens: A Mix to Avoid? How to Eat Well for

The INR is a test used by doctors and pharmacists to check the effectiveness of blood thinning medication (Coumadin/warfarin) and to adapt the dosage.For your information, here are a few examples of natural products that could influence your INR more than eating green vegetables:.Those which increase INR values: Boldo and fenugreek Cranberry juice (in large quantities) Danshen Devil’s Claw Dong Quai Garlic capsules Ginger Ginko biloba Mayweed Papain Vitamin E (in doses larger than 400 units/day).Those which reduce INR values: Coenzyme Q10 Ginseng Green tea (in large quantities) St. John’s Wort.Two main reasons can explain why reducing your intake of green vegetables is not necessary, even if you’re going through anticoagulation therapy.For these reasons, we recommend an intake of 1 to 2 portions of green vegetables each day, even for those taking Coumadin.Note: if you are a fan of Asian cuisine and regularly eat natto (a traditional Japanese food made from fermented soya beans), it would be a good idea to avoid it, because it contains a large quantity of Vitamin K (much higher than what is commonly found in vegetables), which can influence your INR.High Content Cabbage, Brussels sprouts, spinach, kale, turnips Average Content Asparagus, avocado, broccoli, carrots, celery, cauliflower, red cabbage, cucumber, watercress, green beans, oils (canola, olive, soya), lettuce (Boston, Iceberg, romaine), fresh parsley, leek, green peas, tomato.So, in answer to the original question, no, it isn’t necessary to avoid green vegetables because the Vitamin K they contain enables a better control of both coagulation and medication.Our heart-healthy menus are approved by the nutritionists at EPIC, Montreal Heart Institute’s Center for Preventative Medicine, even for their anticoagulation therapy patients. .

Warfarin and Vitamin K

To ensure that warfarin is effectively thinning your blood, it's important to eat about the same amount of vitamin K every day.Warfarin works against vitamin K, making your blood clot more slowly.If you want to start eating more of a food that's rich in vitamin K, talk to your doctor about how to add it safely.To find out how well warfarin is working, you will get blood tests to measure how long it takes for your blood to clot.A low INR means that warfarin isn't working well enough to prevent a dangerous blood clot.A low INR means that warfarin isn't working well enough to prevent a dangerous blood clot.Keeping your warfarin and vitamin K intake steady every day helps keep you in a safe INR range. .

Diet and Warfarin: What You Need to Know

It also treats blood clots if they do form by preventing them from getting larger.If blood clots are not treated, they can lead to stroke, heart attack, or other serious conditions.There are steps that you can take to help make warfarin as effective as possible.In this article, we’ll: tell you how foods you eat can affect how well your warfarin works.Warfarin works by decreasing the amount of vitamin K in your body.One way you can help warfarin work its best is by avoiding big changes in the amount of vitamin K you get through food.Warfarin works because you usually have consistent levels of vitamin K in your body.Foods that are rich in vitamin K include leafy vegetables.Alcohol Green tea contains vitamin K and could lower the effectiveness of warfarin.Some vegetables and fruits low in vitamin K include: Sweet corn.Bananas For a comprehensive list of foods containing vitamin K, visit the U.S. Department of Agriculture’s composition database .


Why Vitamin K Can Be Dangerous If You Take Warfarin – Cleveland

Advertising Policy Cleveland Clinic is a non-profit academic medical center.For example, if you eat a diet rich in vitamin K, you may need to check your blood a little more frequently or take more warfarin.Pay attention to food labels to keep your vitamin K intake consistent.You will want to tell your physician how often you eat foods high in vitamin K and how much of those foods you eat.Talk to your doctor about any and all supplements you take to be sure they are not interfering with your blood thinners.Take blood thinners in consistent way.Another way to manage how well your blood thinners work is to take your dose of warfarin at the same time each day, and from day to day, make sure your vitamin K intake is consistent, Dr. Cho says.Below, find more details on the amount of vitamin K present in different foods, including leafy greens, vegetables and other foods as provided by the U.S.

Department of Agriculture.When it comes to blood thinners, the more you know the better you can manage your diet. .

Cabbage: Health Benefits, Side Effects, Uses, Dose & Precautions

Before taking cabbage talk to your healthcare provider if you take any medications that are changed by the liver.Cabbage might increase how quickly the body breaks down some medications changed by the liver.Taking cabbage along with these medications changed by the liver might decrease the effectiveness of some medications change by the liver.Cabbage might lower blood sugar.The dose of your diabetes medication might need to be changed.By helping the blood clot, cabbage might decrease the effectiveness of warfarin (Coumadin). .

Coumadin users: Let us go easy on the lettuce

INR on the Radar.melilot (sweet clover).When preparing a lettuce-based salad, choose lighter-in-color lettuces, which are lower in vitamin K than darker lettuces and trendy greens.Make non-lettuce/non-greens-based salads, for example, carrot or fruit salad (see recipes below).Foods with high vitamin K content.Foods with moderate vitamin K content.Additionally, salads make a great side dish served with grilled foods, or they can be the perfect main entrée topped with chilled chicken, fish, or vegetables.However, for some individuals on the medication Coumadin, eating salads can be worrisome because many lettuces and trendy greens are rich in vitamin K, which can interfere with this medication.Blood clots form through a series of chemical reactions that depend on vitamin K; therefore, eating too many foods rich in vitamin K may reduce how well Coumadin works. .


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