All-new amino build is a superior and post-workout complex delivering a massive 8 gram of a 100% free-form 2:1:1 branched chain amino acid (BCAA) matrix (per 2 scoops) to help improve performance, preserve muscle glycogen stores and reduce protein breakdown. Amino build is precisely formulated with a 4 gram dose of L-leucine shown in a clinical study to help subjects increase their 5-rep max strength by over 40% in just 12 weeks.