Why Multiple Carbs?

The muscles “burn” (oxidize) carbohydrate in the form of blood glucose for energy. Longer endurance efforts require a steady supply of blood glucose in order to sustain energy over hours of training and racing. But the amount and type of carbs that you need to consume in order to keep the muscles fueled depends largely on the duration and type of activity. So how much and what type of carbohydrate should we be taking in?

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