All-new amino build is a superior pre, intra, and post-workout complex delivering a massive 8 gram of a 100 percent 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 percent in just 12 weeks. Amino build comes packed with a clinically studied 2.5 gram dose of betaine added to the formula that helped subjects significantly enhance their muscular endurance also, a 1-gram dose of taurine was added to the formula which has been clinically shown to improve performance in endurance athletes when consumed 2 hours prior to cardio. No proprietary blends/no under dosed key ingredients, no fillers period. There's a reason the competition does not disclose the amount of each ingredient in their formulas. muscle tech performance series supplements gives it to you straight with fully disclosed doses (no proprietary blends), no fillers, no hype and no exceptions. Our products are built on legitimate science so that you get what you pay for. Make the smart choice. We challenge you to compare. International journal of sports physiology and performance. 6(1), 38-50 2. Journal of the international society of sports nutrition. 6:7 3 2012. Amino acids.