Macronutrients are the essential nutrients that our bodies require in large amounts to function properly. They are divided into three main categories: carbohydrates, proteins, and fats.
Carbohydrates: These are the body's primary source of energy. They can be found in foods like fruits, vegetables, grains, and legumes. Examples of carbohydrates include sugars, starches, and fiber.
Proteins: Proteins are crucial for building and repairing tissues, as well as for producing enzymes and hormones. Good sources of protein include meat, fish, eggs, dairy products, and plant-based sources like beans and nuts.
Fats: Fats play a role in energy storage, insulation, and the absorption of fat-soluble vitamins. Healthy fats can be found in avocados, nuts, seeds, and olive oil.
Understanding the role of macronutrients in a healthy diet is important for maintaining overall health. Each macronutrient serves a specific purpose in the body, and a balanced intake of all three is essential for optimal nutrition.
References:
Harvard T.H. Chan School of Public Health - "The Nutrition Source"
Mayo Clinic - "Nutrition and Healthy Eating"