Gold Whey Protein Isolate®. With sweeteners. Protein product that provides the purest whey protein isolate. Product is produced in the process of multi-stage cross-flow microfiltration which allows the best fractions of proteins to be obtained, while also retaining their biological properties. Proteins contributes to a growth and maintenance of muscle mass and contributes to the maintenance of normal bones and therefore should be included into the dietary plan of each hard working athlete.