Nutritional information may vary depending on flavour. Arguably the most popular of the 20 amino acids and naturally occurring in protein, which helps to build and repair new muscle1its important for all fitness goals. Performance Advisory Board Bringing together world-class scientists, doctors, and athletes to shape innovation at Myproteincombining cutting-edge research with real-world testing to create solutions that actually deliver, for everybody. Find out more about our Performance Advisory Board.