Learn about the nutrients needed in large amounts ("macronutrients"). These nutrients--carbohydrates, protein and fat--provide us energy for exercise, growth, tissue repair, immunity and metabolism.
Major Nutrients: Carbohydrates, Proteins and FatsMacronutrients: the Importance of Carbohydrate, Protein, and Fat
McKinley Health Center.
Learn about macronutrients and why they are important to your diet.
Texas Heart Institute.
Learn about the elements of a healthy diet and the food sources of these nutrients.