Muscletech Amino Build is a superior pre-, intra- and post-workout complex delivering a massive 8g of a 100 percent free-form 2:1:1 Branched Chain Amino Acid (Branched chain amino acids) matrix (per 2 scoops) to help improve performance, preserve muscle glycogen stores and reduce protein breakdown. It 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.1. It comes packed with a clinically studied 2.5-gram dose of Betaine added to the formula that helped subjects significantly enhance their muscular endurance.2 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.3. No proprietary blends. No under dosed key ingredients, no fillers. There’s a reason the competition does not disclose the amount of each ingredient in their formulas. MuscleTech 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.