GU Roctane Ultra Endurance Energy Gel is a high-intensity offering designed for extreme and long-duration endurance activities. Each packet is highly compact, portable, and calorie-dense, loaded with carbohydrates that can be rapidly absorbed. It contains three-times the amino acids and twice the sodium as the original GU Energy Gel, helping to decrease muscle damage, promote muscle repair, and maintain water balance. Each packet contains 100 calories and 1425mg of amino acids.