I've been seeing commercials for this and wondered if anyone had tried it? If so, did it work?

Just from the name alone, I'd be a bit wary.

I found a breakdown of all the ingredients on this website:
http://www.ultimatefatburner.com/sli...er-review.html

Basically, it contains nothing new. It has some fiber in it to fill you up, it also has a diuretic to make it appear as if you are losing weight because you are losing water.