From what I've seen of this, it's an MLM (Multi-Level Marketing) company - which IMO means it's most likely crap.
Of course with the new year upon us, and lots of folks making resolutions to lose the holiday fat, these type of things are going to be popping up everywhere - so beware and don't believe the hype - remember - if this stuff *really* worked it would be on the front page of every major newspaper and lauded in the medical journals!! I bet the only place your friend loses weight is in her wallet