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Thanks for the contributing that dialog. Fascinating to me on so many levels. I am on coumadin(blood thinner) because I had pulmonary embolism in the lungs, that can be traced back to a clot in my calf. Anyway, do you know where I can get more info on vitamin k enriched foods? I am supposed to avoid vitamin k because its a anti caligmate. I love cheese, eat eggs and such, I'm wondering if I should avoid that now. I was told by a nutritionist to avoid leafy greens and cranberry. Thanks again for your insightful post.

K1 is essential to blood clotting. Up until a few years ago, we thought that K2 was simply an alternate form of K1. That turns out not to have been the case.

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Latest Study on Vitamin K and Coronary Heart Disease

What You Need to Know About Vitamin K2, D and Calcium

The Mystery of X-Factor Butter Oil and Vitamin K2: Solved

Here’s a link to some information from the National Institutes of Health about coumadin and vitamin K (including a list of foods) . . . I think it’s saying that you can eat foods rich in vitamin K, as long as you are consistent from day to day . . . because your dosage of coumadin can be adjusted to be in balance with your diet, including your intake of vitamin K, and levels are validated through regular blood tests.

http://www.cc.nih.gov/ccc/patient_education/drug_nutrient/coumadin1.pdf

What should I remember about warfarin (Coumadin) and vitamin K?

1. Follow your prescription exactly, and keep your follow-up appointments for blood tests such as the INR/PT. Warfarin (Coumadin) is a very important drug for you.

2. Keep vitamin K intake constant from day to day because warfarin (Coumadin) interacts with vitamin K in your body.

3. Avoid herbal products and dietary supplements that may affect vitamin K and warfarin (Coumadin) unless approved by a qualified health care provider.