supposedly they are mild hallucinogens, supposed to be a new club drug, mostly for chicks though. i had a bunch of generics from outta the country and they didnt do shit, didnt even get my junk up, but i think real will give you wood. supposedly everything is tinted purpleish blue. do you really want wood when your at a club though? check
www.erowid.org and look up sildenifil citrate (sp?)(chemical name of viagra) have fun man....