Modern BCAA+ Powder is considered by many to be THE best BCAA product on the market today and with good reason! It delivers 15 grams of amino acids per serving! As if that weren't enough, Modern BCAA+ utilizes an 8:1:1 Leucine/Isoleucine/Valine ratio which is a ratio of four (4) times more leucine than most! Why is that important? Well, Leucine is the star BCAA.