You will want to tell your physician how often you eat foods high in vitamin K and how much of those foods you eat. Being knowledgeable about vitamin K is a key to managing it in your diet. There are a variety of vegetables that contain lower amounts of vitamin K. These include: Tomatoes; Peppers; Carrots; Cauliflower; Cucumbers; Potatoes; Sweet potatoes; Squash (both summer and winter).