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Sports Nutrition by Kary Woodruff

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Chapter 4

The Building Blocks of Sports Nutrition: Carbohydrate, Protein, Fat, and Hydration

Food is fuel. The foods we consume are composed of three macronutrients responsible for supplying energy to the body for physical activity. All energy used by the body is derived from the food we eat. Carbohydrate, protein, and fat are the three macronutrients found in foods providing calories and thus supply the energy that fuels performance, yet their contribution to energy production is not equal. Knowing the basic structure and metabolism of these three macronutrients allows for a better understanding of their function in the body. General functions of these nutrients will be outlined, and more specifically, the role of carbohydrate, protein, and ...

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