Carbohydrate drinks are a blend of carbohydrate, water and electrolytes. Most sports drinks contain a mix of carbohydrates from different sources (eg sucrose, glucose, fructose) at a concentration of around six-eight per cent.
Carbohydrates are the body’s primary source of fuel during prolonged and high intensity exercise. Depletion of carbohydrate is one of the primary causes of fatigue, and can severely limit your ability to perform during prolonged high-intensity exercise.
Studies show that consumption of a carbohydrate drink during workouts lasting over 60 minutes is an effective way to boost endurance. By providing the working muscles with additional fuel you can delay fatigue, with some research suggesting up to a 20 per cent improvement in performance during exercise lasting 90 minutes or more.
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