Scitec 100% Whey Professional 920g This product is a carefully formulated combination of whey concentrate and whey isolate. It provides a selection of amino acids, including those that must be obtained through diet. The composition includes, among others, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. Additionally, the formula contains a special amino acid blend with further components such as L-leucine, L-glutamine, and taurine. L-glutamine is a commonly occurring amino acid.