What is the primary function of micronutrients in the body?

Micronutrients play a crucial role in the body primarily by supporting metabolic processes and ensuring proper cellular function. They consist of vitamins and minerals that, although needed in smaller quantities compared to macronutrients (like carbohydrates, proteins, and fats), are essential for a wide range of physiological functions.

Vitamins, for instance, aid in energy production, immune function, and synthesis of DNA, while minerals are vital for bone health, fluid balance, and nerve transmission. The presence of these micronutrients allows enzymes to catalyze biochemical reactions, supports the function of muscles and nerves, and helps in the healing processes. This metabolic support is essential for maintaining overall health and well-being.

Although options discussing energy provision and bone structure mention important nutrients, they do not correctly reflect the specific roles of micronutrients. Additionally, while vitamins are a subset of micronutrients, the term "main source of vitamins" doesn’t encompass the full spectrum of functions that micronutrients serve within the body.