Scivation Xtend is packed with 7 grams of BCAAs, 2.5 grams of L-Glutamine, and 0.555 grams of Citrulline Scivation Xtend is a calorie-free way to help anyone grind through even the most grueling gym session Scivation Xtend contains L-Glutamine to promote muscle intracellular branched-chain amino acids metabolism World-class athletes, elite bodybuilders, champion powerlifters, and weight-training enthusiasts of varying types use Scivation Xtend during their workouts in order to help them train longer, harder, and with more intensity