Some foods you eat affect the way warfarin works in your body.It is most important to eat a healthy, consistent, and balanced diet.Eat about the same amount of foods high in vitamin K each day.Contact your provider if there are sudden or big changes in your diet due to illness.Foods with vitamin K that could affect warfarin are listed on the next 2 pages.Tables were adapted from the USDA National Nutrient database for Standard Reference. .
Vitamin K and Warfarin (Coumadin): What You Should Know
In doing so, vitamin K plays a role in your body's natural clotting process.Warfarin works against vitamin K. Specifically, warfarin reduces your liver's ability to use vitamin K to produce normally functioning forms of the blood clotting proteins.By reducing the liver's ability to use vitamin K to produce normally functioning forms of the blood clotting proteins, warfarin reduces your risk of forming a blood clot.Also, reducing the amount of vitamin K in your diet may make it more difficult to manage your warfarin therapy.For more information on the INR, please review the Understanding the PT-INR Test section of ClotCare.Why would a diet low in vitamin K make my INR more difficult to manage?As a "rule of thumb", green vegetables, especially leafy green vegetables, and certain oils have a high content of vitamin K. Most fruits, meats, dairy products, and grains are low in vitamin K.
As a resource to use in making consistent dietary decisions, ClotCare provides a list of certain foods and their relative content of vitamin K (i.e. low, moderate, or high).You can also click here for information on the vitamin K content of foods available on the NutritionData website.
Spinach, Vitamin K and Warfarin
2 If a serving of spinach is part of your daily diet, you can typically maintain your regular eating habits.Likewise, if spinach isn’t a normal part of your daily diet and you suddenly eat a large amount, it can have an effect. .
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. .
Can Certain Foods Lower INR?
The International Normalized Ratio, or INR, gauges the effectiveness of blood thinning medication such as warfarin.People that are at high risk of blood clot formation, such as those that have suffered heart attacks or strokes, need an INR of about 2.5 to 3.5.Beef and pork liver are high in vitamin K and eating them will lower your INR.Marjoram, coriander and cayenne pepper also have vitamin K. Green, leafy vegetables, such as kale, spinach and lettuce, contain vitamin K.
Suddenly increasing your consumption of these vegetables and herbs will lower your INR.A consistent diet is essential in maintaining normal INR, so avoid making drastic changes in the foods you consume.Sudden intake of a large amount of these products lowers your INR and increases your risk of serious clotting issues. .
Warfarin diet: 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.The adequate intake level of vitamin K for adult men is 120 micrograms (mcg).Certain drinks can increase the effect of warfarin, leading to bleeding problems.Avoid or consume only small amounts of these drinks when taking warfarin:.Talk to your doctor before making any major changes in your diet and before starting any over-the-counter medications, vitamins or herbal supplements.If you are unable to eat for several days or have ongoing stomach upset, diarrhea or fever, consult your doctor. .
Study: Leafy Greens OK For People on Warfarin
A new study suggests that -- despite doctor warnings to the contrary -- you can eat leafy greens rich in vitamin K if you are taking the blood thinner warfarin. .
Foods Low in Vitamin K for a Warfarin (Coumadin) Diet
If you are taking an anticoagulant or a blood thinner, like Warfarin (Coumadin), then it is important to keep your PT/INR (Prothrombin Time and International Normalized Ratio) levels stable. .
Diet and Warfarin: What You Need to Know
Warfarin is a type of medication that a healthcare professional may prescribe for people with certain health conditions or risks.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.A healthcare professional may prescribe it to: people who have previously experienced a heart attack.In addition, it 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.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.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 .This is a number that your healthcare professional will monitor if you’re taking warfarin to see how quickly your blood clots.To help keep your INR in this range, it’s important to: Follow your doctor’s recommendations and take your medication as prescribed.Avoid trying a new diet or taking a new herbal product or supplement.