GU Original Sports Nutrition Energy Gel is designed to help athletes perform their best. Each packet contains 100 calories and essential electrolytes, providing dual source energy from maltodextrin and fructose for efficient absorption and lasting energy. It includes branched-chain amino acids to help decrease muscle damage and mental fatigue. The Tri-Berry flavor is naturally flavored and contains 450mg of amino acids, 55mg of sodium, and 20mg of caffeine. Ideal for use during training or racing, take one packet 5 minutes before and every 45 minutes during activity.