World"s First Evolutionary Muscle Builder. Muscle Milk helps grows muscle faster than gainers, whey or even creatine. This increased muscle growth is possible because Muscle Milk is the first product patterned after Nature"s ultimate anabolic food--human mother"s milk. Locked within human mother"s milk are long-held secrets to muscle growth potential previously considered impossible. After years of study, we"ve unlocked these secrets! We then took the next step and actually duplicated these important muscle growth factors into Muscle Milk.