Protein supports the repair and maintenance of muscle tissue and tends to be the most satiating of the three macronutrients.
Carbohydrates are the body's most accessible fuel source, particularly for higher-intensity training.
Fat supports hormone production and the absorption of several vitamins. All three have a role; the balance is what you adjust.
This article provides general fitness and wellness information only. It is not medical, dietetic or personalised exercise advice. Speak with a qualified professional before making significant changes to your nutrition or training.