Which nutrient class supplies glucose as the main source of energy for the body?

• A. Vitamins
• B. Proteins
• C. Lipids
• D. Carbohydrates

Answer: (D)

Verified step by step guidance

1. Identify the main function of each nutrient class: Vitamins, Proteins, Lipids, and Carbohydrates.
2. Understand that carbohydrates are the body's primary source of energy, as they are broken down into glucose.
3. Recall that glucose is a simple sugar that is a crucial energy source for cells and is derived from carbohydrates.
4. Recognize that while proteins and lipids can also provide energy, they are not the primary source of glucose.
5. Conclude that carbohydrates are the nutrient class that supplies glucose as the main source of energy for the body.