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 Birthday Cake flavor is caffeine-free, vegan, and gluten-free, containing 60mg of sodium and 40mg of potassium. Ideal for training or racing, it is recommended to take one packet 5 minutes before and every 45 minutes during activity.