supports strength & muscle gains , 500mg of bcaa\'s per capsule ,perfect either during or after training ,pure grade, free-form for easy absorptionbranched chain amino acids (bcaa\'s) are key to supporting strength and muscle gains and these super convenient capsules are perfect for those on the go. the branched chain amino acids leucine, valine & isoleucine need to be presented together as they work as a team and are chiefly responsible for promoting muscle protein synthesis, ideal for those pursuing strength & muscle gains. these special amino acids may also be useful in delaying mental fatigue in endurance exercise. bcaa\'s make up 33% of muscle protein, making them of special importance to people who train regularly. this product is formulated with what is termed \'free form\' amino acids that have been independently produced and then combined in the optimal 2:1:1 ratio. some cheaper bcaa (branched chain amino acids) products just contain hydrolysed soya protein as the source of the amino acids whereas our product provides the pure- grade of amino acids used in -clinical nutrition products. bcaa\'s are extremely popular pre, intra and post workout. our bcaa\'s come in a handy capsule form, a highly cost effective way to add them to your diet.