Nutritional Facts One 1/2-cup serving (prepared with no-salt-added corn, reduced-fat sour cream and fat-free mayonnaise and without added salt) equals 58 calories, 1 g fat (0 saturated fat), 3 mg cholesterol, 42 mg sodium, 12 g carbohydrate, 0 fiber, 2 g protein. Diabetic Exchanges: 1 vegetable, 1/2 starch.