The macros found in Bran Flakes are split (approximately) 14% protein, 79% carbs, and 7% fat of total calories.
In g of Bran Flakes there are 359 Calories, 12 grams Protein, 65 grams Carbs, and 2.6 grams Fat.
In oz of Bran Flakes there are 102 Calories, 3.4 grams Protein, 18.5 grams Carbs, and 0.7 grams Fat.
Check out the macronutrient breakdowns of other ingredients, including a list of high protein foods and more in our Macros in Food page, or search the calorie and macro content of another food below.