Amino acids BCAA (Branched-chain amino Acids) alongwith proteins are the Building block of life. Basic function of animo acids is protein synthesis. Essential amino acids can aid to the hard work that you put in your workout session in the gym to stimulate muscle protein synthesis. BCAA  is presents in most of the supplements in the market which is essentially a group of three animo acids leucine, isoleucine and valine which helps support the muscle growth, boosting exercise performance, helps reduce soreness in the muscles which is commonly felt post-workout and accelerates the recovery process. when BCAAs are taken after a resistance (weights) session muscle protein synthesis increased by 22%. Amino acids BCAA are taken by world-class athletes, elite bodybuilders, champion powerlifters and weight training enthusiants during their workout for longer and harder training alongwith high intensity.