Alli Diet Pills is the first FDA approved pills to loose weight. I know a friend who has used these pills and has lost lots of weight. However, One thing one needs to keep in mind is you need to add healthy eating and exercise along with these pills to get successful results.
One of the side effects for this pills is that you will have to use the restoom lots of time and one wil have sticky butt when you use the restroom and will also experience lots of flatus.
However, this is experienced only by few people. I think that this is a great pill to loose weight.