I've been drinking it for about a month. I like it because its more like kool-aid than a thick shake which is sometimes hard to choke down. I've been buying it at GNC- which means its marked up thru the friggin' roof-and does it work? I don't really know. But I don't really know if all those other drinks work either.Have seen guys buying it by the case at my GNC though. You can probably get it online somewhere.