Nutritional Facts 1 wrap (prepared with fat-free sour cream and reduced-fat mayonnaise and cheese and without guacamole and tomato) equals 271 calories, 6 g fat (0 saturated fat), 34 mg cholesterol, 537 mg sodium, 35 g carbohydrate, 2 g fiber, 18 g protein. Diabetic Exchanges: 2 starch, 2 lean meat, 1 vegetable.