Does warfarin blood thinner block k1 and k2 vitamins? m

Vitamin K antagonist: In medical school, we memorized clotting cascade. Warfarin works by blocking (formation of) vitamin K dependent factors (http://goo.gl/LP1DwM). Therefore, the more vitamin K rich foods eg dark leafy greens that you consume, the greater the dose of warfarin that you'll need. That's why it's also important to eat same am't daily (or none at all) to keep blood thinness just right (as measured by INR)