On Gold Standard 100% Whey Protein is a high-quality protein . Whey protein isolate is the purest form of whey protein available. It provides high amount of protein in every serving which helps you build muscles fast and recover better after heavy workouts. This protein supplement contains naturally-favoured whey, which provides you proper nourishment and helps in exercise recovery. This supplement provides you with naturally-occurring glutamine & glutamic acid per serving.