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.