Id steer way clear of these kind of products. The only effective way to lose weight is through less calorific intake and more excercise. Or join weightwatchers. I've lost 21lbs so far doing their diet and its not difficult to do.
Yes, I've tried it and it works great!!1
I remember the first time I used it and my thighs hurt so much that i couldnt walk. And, that 10 workouts or less guarantee really does work.