In order play hard and perform at your best for hours we need a good energy source and the ability to recycle that energy quickly. Tennis matches could take hours to complete. In order to continue to stay on the court and perform at your best we need a good source of fuel. Carbohydrates are our fuel that powers our activities.

Many of the energy requirements are met by carbohydrate metabolism. However, all three food nutrients, fats, protein, and carbohydrates can serve as fuel for the production of adenosine triphosphate (ATP). The chemical energy produced from the food fuel is stored as ATP. The ATP then transfers its energy to energy-requiring activities ...

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