Macronutrients, or macros, are the three main nutrients that supply your calories: protein, carbohydrate and fat. Tracking them is a more precise way to eat than counting calories alone.
What each macro does
Protein (4 calories per gram) supports muscle repair and keeps you feeling full. Carbohydrate (4 calories per gram) is your body’s preferred fuel for training. Fat (9 calories per gram) supports hormones and absorbs vitamins.
A sensible starting point
A common starting target for active people is around 1.6 to 2 grams of protein per kilogram of body weight, then fat at a moderate level, with the remaining calories coming from carbohydrate.
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These figures are educational estimates. Individual needs vary, so consult a qualified professional for personal advice.