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 Salted Lime contains 35mg Caffeine, 190mg Sodium GU Roctane Ultra Endurance Energy Gel is a high-intensity offering from GU, the original sports energy gel. Designed for extreme and long-duration endurance activities, GU Roctane Energy Gel comes in highly compact, portable, and calorie-dense packets that are loaded with carbohydrates that can be rapidly absorbed. Athletes performing at a high level for hours on end need more from their nutrition, which is why Roctane Energy Gel packs three-times the amino acids and twice the sodium as original GU Energy Gel.