Nutritional Facts 2 cups salad with 3 ounces cooked tuna equals 294 calories, 12 g fat (2 g saturated fat), 51 mg cholesterol, 306 mg sodium, 16 g carbohydrate, 3 g fiber, 32 g protein. Diabetic Exchanges: 4 lean meat, 2 fat, 1 vegetable, 1/2 starch.