The best sources of vitamin K are leafy green vegetables. Eggs have some as well. Below are a few examples of the vitamin K content of some good sources.

      Food Vitamin K (micrograms/100g) Food Vitamin K (micrograms/100g) 
      Collard Greens  440 Cabbage  145 
      Spinach  380 Olive Oil  55 
      Salad Greens  315 Asparagus  60 
      Kale  270 Okra  40 
      Broccoli  180 Green Beans  33 
      Brussels Sprouts  177 Lentils  22