100% of protein from whey 100% Whey Protein Professional is an excellent quality whey protein blend with whey concentrate protein and whey protein isolate. Dietary proteins are the source of nitrogen and indispensable amino acids, which the body requires for tissue growth and maintenance. Therefore 100% Whey Protein Professional contributes to the growth and maintenance of muscle mass, and also to the maintenance of normal bones. Whey protein from milk is a so-called complete protein, because it provides the body with all the necessary types of amino acids, including the 9 amino acids the body cannot synthesize and must be supplied by the diet (i.e. Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Threonine, Tryptophan, Valine). 100% Whey Protein Professional has more added components: an “Amino Acid Matrix” that provides popular, valuable extra amino acids, namely L-Leucine and L-Glutamine. Also, the digestive enzyme blend of Papain and Bromelain is included in our formula! These statements have been scientifically proven by the European Food Safety Authority (EFSA) and authorized by the European Commission (EC).