Scientifically advanced endurance and recovery enhancer. X-tend is s a precise‚ scientific blend of energy Aminos consisting of the proven 2:1:1 ratio of branched chain amino acids ( L-Leucine‚ L-Isoleucine and L-Valine)‚ Glutamine‚ Citrulline Malate‚ and Vitamin B6 that will give you the energy you need to maximize your training while enhancing recovery at the same time. The advanced components in Xtend have been scientifically proven to help: Speed Recovery‚ Enhance ATP production and promote cell volumization. Reduce muscle breakdown and cortisol levels. Reduce fatigue and lactic acid levels for longer‚ more intense training. Support lean body mass along with immune and digestive help. Promote vasodilation which can lead to better assimilation and absorption of protein. Support optimal growth hormone levels.