Multiple choice What is the importance of vitamins to the human body? Provide the body with energy. They are not really that important. Proper growth and development. Reveal answer Fill a bubble to check yourself C Correct answer Explanation Vitamins are essential organic micronutrients that the body needs in small amounts for proper growth, development, and metabolic function. Unlike macronutrients like carbohydrates and fats, vitamins do not directly provide the body with energy.