Cola flavored energy gel. Dexal energy gels help replenish the body's carbohydrate stores during long-lasting or heavy exercise. The carbohydrate composition of Dexal energy gels is a scientifically proven optimal 2:1 maltodextrin:fructose ratio, which ensures good absorption and is gentle on the stomach. Carbohydrates quickly raise blood sugar levels, restoring energy levels. The carbohydrates in Dexal Energy Gel help replenish depleted glycogen stores. Depletion of muscle glycogen stores during training is one of the most significant causes of muscle fatigue and exhaustion. These energy stores are mainly depleted during prolonged endurance exercise or high-intensity exercise.