Step 1 The cast · 5 min
Meet the macros
Protein, carbs and fat: what they actually are and the job each one does.
Nearly everything you eat is built from three things. Tap each one to see what it is and the job it does.
Tap to switch
carbohydrate
Carbohydrate
Fast cashCash in your pocket: easy to spend right now, but you can only carry so much.
Broken down into glucose (blood sugar)
Stored as glycogen in muscle & liver
Energy density 4 kcal / gram
Bread & riceFruitOatsPotatoes