Macronutrients are the nutrients that the body needs in larger quantities to provide energy. They include fat, protein, and carbohydrates
. These macronutrients are essential for maintaining the body's systems and structures, and they are often referred to as "macros" because they provide the body with energy and have specific roles that allow the body to function properly
. Carbohydrates, proteins, and fats are the three types of macronutrients, and each of them provides a certain amount of energy measured in the form of calories or kcals
. Carbohydrates contain 4 kcal per gram, proteins contain 4 kcal per gram, and fats contain 9 kcal per gram
