I used this product several years ago and I use it as the instructions say, it works in my case at this time it is not recommended for people with gallbladder surgery, which is my case because by taking the pills you may not be able to reach the bathroom in time.

Alli is an over-the-counter weight loss aid containing orlistat, a lipase inhibitor. It works by preventing the absorption of about 25% of the fat you consume. This undigested fat is then eliminated from the body through bowel movements. Alli is intended for overweight adults aged 18 and older who follow a reduced-calorie, low-fat diet.
Because Alli blocks fat absorption, it can also reduce the absorption of fat-soluble vitamins (A, D, E, and K). Taking a multivitamin at bedtime is recommended.
Common side effects, often related to the unabsorbed fat, include oily spotting, gas with discharge, loose stools, and more frequent bowel movements. These effects are generally mild and temporary, and more likely to occur when eating high-fat meals.
Alli is not a quick fix, but rather a tool to support weight loss when combined with diet and exercise.
Reviews (27)
See More ReviewsWell I am still new to this product but as far as flushing out the fat you put into your system it um for sure does that a little too well if I must say in the nicest way possible. So far since using it along with diet I have lost 10 lbs so that is a plus needless to say I feel its mostly from it flushing EVERYTHING out of my system. And when you have to go you better go!!!