Gold standard 100 whey contains whey protein isolates or wpi rated 90 pure protein wpi are known as the highest quality whey ingredient with the protein being extracted or isolated from other components making it extremely pure each serving of gold standard 100 whey contains 24 grams of premlum whey protein to help muscle growth and 55 grams of branched chain amino acids bcaas gold standard 100 whey contains whey protein isolates or wpi rated 90 pure protein wpi are known as