Cinnamon Life Cereal Nutrition | Healthfully The serving size for Quaker Cinnamon Life Cereal is three-quarters of a cup, or 32 g. It has 120 calories and 1.5 g total fat with no saturated or trans fats. The cereal has 3 g protein and 25 g carbohydrates, including 8 g sugars and 2 g total dietary fiber, or 8 percent of the daily value for someone on a 2,000-calorie diet.