What is the primary function of carbohydrates in the body?

The primary function of carbohydrates in the body is to provide energy. Carbohydrates are one of the main macronutrients and are broken down into glucose, which serves as a critical source of energy for the body. This energy is particularly important for the brain, muscles, and other tissues that rely on glucose as their primary fuel source during physical activity and everyday metabolic processes.

Carbohydrates also play a role in sparing protein use for energy, allowing proteins to perform their essential functions such as building and repairing tissues. While some other options may relate to various bodily functions—like muscle building associated with protein, hormone regulation influenced by various nutrients, or bone health supported by minerals—these are not the primary role of carbohydrates. The key takeaway is that carbohydrates are primarily utilized for energy, which is vital for maintaining overall bodily functions and supporting a healthy lifestyle.