In this health conscious world, everybody wants fit and healthy body. But due to eating disorder and hectic lifestyle, many people end up with overweight and obese problems. And, you preciously know the problems that over weight and obese hitch can create. So, it’s better to get rid of overweight problems before its gets to late. And, in losing weight, Alli diet pill is quite a handy weapon. Weight losing pill like Alli is very famous among all the patients who are suffering from overweight and obese problems. Approved by FDA as a first over the counter diet pill, Alli works in a different way. Alli blocks about 25% of the fat you eat. Typically, enzymes in your intestines break down fat from food so your body can absorb the fat. But, the active ingredient in Alli attaches to some of these enzymes and prevents them from digesting about a quarter of the fat you eat. Because undigested fat can't be absorbed, it passes out of your body instead of turning into calories. Now, with Alli, you have a version of orlistat that is available over the counter. As an OTC product, alli was tested for safety and efficacy before being released on the market. This being said, there is an increased level of self-reliance when a product can be purchased and used at will. Xenical and alli work by inhibiting the action of lipase, a key fat-digesting enzyme that breaks apart the fat in the food we eat prior to absorption. When lipase is unable to work, these fats remain in your gastrointestinal track and are eventually eliminated. The dose determines the effect. With Xenical, approximately one-third of the fat consumed is not absorbed. With the OTC version, alli, only one-quarter of dietary fat is affected. The main side effect occurs when you eat a meal with too much fat when taking Alli. If so much fat is blocked that your stool can't absorb it, you might have side effects. Because they are not harmful, we call them "treatment effects." These include loose or more frequent stools, an urgent need to go to the bathroom, or gas with an oily discharge. The excess fat that passes out of your body is in no way harmful. In fact, you may recognize it as something that looks like oil on top of a pizza. And these treatment effects can be lessened if you stick to reduced-calorie, low-fat meals that average 15 grams of fat per meal.