GU Roctane Energy Drink Mix (Grape) (10 | 2.3oz Packets) - 123129
GU Roctane Energy Drink Mix (Grape) (10 | 2.3oz Packets) - 123129, Specifically formulated to meet the demands of prolonged, ultra-endurance exercise, GU Roctane Ultra Endurance drink mix packets contain critical carbs and electrolyte replenishment for high-level competition. Caffeine increases mental acuity, enhances performance and decreases perceived effort. Taurine combats heart and skeletal muscle fatigue. Beta-alanine and histidine help buffer acid caused by going over lactate threshold, and amino acids prevent muscle damage and aid with muscle recovery. All these performance-enhancing ingredients are packed inside a super-light tasting, easy-to-mix formula to keep you going hour, after hour.