These nutrients play a vital role in promoting growth, development, and overall health. They are classified into two main categories: macronutrients and micronutrients.

The 6 Essential Nutrients and Their Functions Nutrients are chemicals in food that are needed for energy, growth, and maintenance of organs, cells, skin, blood, and other body functions.

U.S. diets should include more of vitamins D and E, fiber, calcium and magnesium — all are essential nutrients that could offer health benefits.