The macros found in White Button Mushrooms are split (approximately) 44% protein, 47% carbs, and 9% fat of total calories.
In g of White Button Mushrooms there are 22 Calories, 3.1 grams Protein, 3.3 grams Carbs, and 0.3 grams Fat.
In oz of White Button Mushrooms there are 6 Calories, 0.9 grams Protein, 0.9 grams Carbs, and 0.1 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.