The Ultra-Endurance Energy Gel - 100 calories and essential electrolytes in a portable packet;1425mg of amino acids help decrease muscle damage and mental fatigue;Dual-source energy from maltodextrin and fructose that use non-competing pathways for efficient absorption and lasting energy;Use for high-intensity racing or training - take one packet 5 minutes before and every 45 minutes during activity;Variety Pack includes Vanilla Orange, Cherry Lime, Lemonade and 6 packets each of Blueberry / Pomegranate, Strawberry Kiwi; caffeine varies by flavor