PATIENT IS INSTRUCTED THAT Rather than avoiding vitamin K, PATIENT should maintain a consistent intake of vitamin K by maintaining a consistent diet. In other words, from week to week, you should eat the same types of foods. THERE ARE MANY FOOD RICH IN VITAMIN K SUCH AS 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.