Protein Matrix - protein having different compositions to meet the various functions in the body. The Protein Matrix consists of concentrates and whey protein hydrolysates, proteins, casein and egg. In the universal combination of components (combination of slow-digestible and fast-digestible proteins) is the globalization of proteins possibilities is obtained. There are also compositions of the proteins fast-digestible used in pre- and post-training preparations, allowing for rapid regeneration of the body; slow-digestible proteins (including casein and egg albumin), allowing for a longer period of digestion. The main difference lies in various biological value and content of amino acids of the individual components, which are constituting the matrix. Protein matrices available at www.muscle-zone.pl.