Cnp pro bcaa burst is a great tasting bcaa drink that mixes easily and can be used pre during or post workout to support your training goals it is convenient and easy to take even on non training days to supply a constant supply of amino acids to your body in the optimal ratio 1g beta alanine per serving 4g leucine per serving including peptide leucine 05g isoleucine per serving 05g valine per serving includes peptide leucine isoleucine and valine from hydrolysed whey protein how do i u