Macronutrients differ from micronutrients in their respective roles and quantities required in the body. Macronutrients—carbohydrates, proteins, and fats—provide the essential calories and energy necessary for daily activities and bodily functions. In contrast, micronutrients, including vitamins and minerals, are required in smaller amounts but are crucial for maintaining metabolic processes, supporting immune function, and promoting overall health. While macronutrients fuel the body, micronutrients help in various biochemical reactions essential for growth and development.