What Are The Body's Main Source Of Energy - MySport

Medically reviewed by Maggie Moon, MS, RD Key Takeaways Carbohydrates—not protein—are the body’s primary energy source from food.However, protein does supply a small amount of energy and can serve as ... Being active boosts your daily calorie burn more than previously thought. Researchers found that increased physical activity raises total energy use without triggering the body to conserve energy ...