You want a high quality Ion-exchange Whey protein, but watch out for claims of too much protein per serving - the human body can only utilise 30g of protein at a time.
You also have a window of opportunity for 60 mins after your workout, when your body is obviously screaming out for nutrients (unless yer trainin like a hairdresser ) Durning this one hour, your body is able to absorb and utilise doulbe the amount of nutrients from food, in only half the time (i.e. if your body normally took 20g in 20 mins, for talking sake, then post-workout, it would take 40g in 10 mins )
Ideally, you sh