Nutritional Facts 1-1/2 cups tuna salad with 1 cup shredded lettuce (calculated without cheese) equals 282 calories, 11 g fat (2 g saturated fat), 30 mg cholesterol, 682 mg sodium, 23 g carbohydrate, 6 g fiber, 23 g protein. Diabetic Exchanges: 3 lean meat, 1 starch, 1 vegetable, 1 fat.