One serving of Cinnamon Toast Crunch cereal, equal to ¾ cup or 31 g, has 130 calories, or 170 calories with ½ cup of skim milk. A single serving has 3 g of total fat, no cholesterol, 220 mg of sodium and 45 mg of potassium. One serving has 25 g of total carbohydrates with 2 g of dietary fiber, 10 g of sugars and 1455g of other carbohydrates, along with 1 g of protein. This cereal contains trisodium phosphate.