21ST Century MILK & EGG protein is a complete food supplement and contains all the essential amino acids for maximum energy. 21ST Century MILK & EGG is processed from milk protein and egg album in supplying protein of high biological value. Egg protein has the highest biological values of all proteins. If you follow a regular routine of exercise, then extra protein is essential for building muscle. 21ST Century MILK & EGG provides your body with nutrition which can lead to your best chance of success in all sports.