During exercise, athletes need ‘quick carbs’ that can be easily digested and absorbed to deliver energy fast. Sports nutrition products, like these Gels made up of glucose and fructose, fit that description. 

Nutritional Information

Energy: 120 kcal / 502 kJ per 51g gel (235 kcal / 985 kJ per 100g)
Protein: < 0.1g per 51g gel (< 0.1g per 100g)
Fats: < 0.1g per 51g gel (< 0.1g per 100g)
Carbohydrates: 30g per 51g gel (59g per 100g)