Scivation Xtend is the best-selling, most-advanced BCAA drink mix on the planet. At the heart of Xtend is 7g of BCAAs – in the nature-designed and research-proven 2: 1: 1 ratio – plus Glutamine and Citrulline Malate. Plus, with a proprietary blend of hydration-inducing electrolytes, Xtend is a sugar-free way to help anyone grind through a grueling gym session. World-class athletes, Champion fighters, Elite bodybuilders, and weight training enthusiasts of varying types all use Scivation Xtend during their workouts in order to train longer, harder, and with more intensity.