For some people, good is enough. But for others, satisfaction doesn’t exist. What does exist is an unquenchable desire to complete one more rep, one more sprint, one more grueling workout. Muscle Milk® Pro Series gives you 32 or 40 grams of protein to help you recover and build strength. When it comes to proper fuel for your body, good isn’t enough. Reach for greatness. Muscle Milk Pro Series.