Quoting loser mom:" a couple of my coworkers are taking them for weight loss.....with no results. "
you know which one I am talking about? I am trying to find the link I saw this on but cant find it let me try again. BRB
ETA I just found it take a look.
I also found this one and maybe it isnt working for your friends because their capsules are made in china they are the fake and are imitations.
http://www.ozketonediet.com/raspberry-ketones/do-not-try-the-raspberry-ketone-diet-until-you-read-this-article/