Created for daily training and competition, GU Energy Gel packs energy dense calories in a portable packet to help sustain energy demands of any duration or activity. The 100 calorie packet contains carbohydrates maltodextrin and fructose that use non competing pathways to help maximize carbohydrate absorption and utilization while diminishing stomach distress. Sodium, the primary electrolyte lost in sweat, aids in hydration by maintaining water balance. The branched chain amino acids leucine, valine, isoleucine may reduce mental fatigue and decrease muscle damage.ELECTROLYTES Maintain water balance and aid in optimum hydration. CARBOHYDRATES Deliver ready to use energy and delay bonking by sparing glycogen. AMINO ACIDS Reduce mental fatigue and decrease muscle damage. CAFFEINE Enhances performance by increasing focus and concentration and decreasing perceived effort during exercise.Consume one packet 5 minutes before, and one packet every 45 minutes during activity.Wash down with your favorite GU Hydration Drink or water for optimum absorption.