The Nutrend BCAA LIQUID SHOT 60 ML with essential amino acids. The fastest way of delivery of amino acids. The L-leucine, L-isoleucine, and L-valine acids are represented in a ratio of 2:1:1 for L-leucine in this product. Great for intensive physical activity. Amino acids are the building blocks of each protein. A sufficient intake of quality protein, together with an optimal range of amino acids, contributes to muscle growth. These amino acids are among the essential acids that the body must receive through the diet because their synthesis from other sources does not occur in the body.