Xtend is the best-Selling, most advanced bcaa drink mix on the planet. At its heart are 7G of bcaas in the nature-Designed and research-Proven 2:1:1 ratio, plus glutamine and citrulline malate. With a proprietary blend of hydration-Inducing electrolytes, xtend is a sugar-Free and carb-Free way to help anyone grind through a grueling gym session.