Alli belongs to a category of medication known as lipase inhibitors. It inhibits the intestines from absorbing fat from your food to the extent of 25%. These unabsorbed fats then leave the body through the bowels. It is believed that Alli helps to reduce visceral or belly fat, which causes high blood pressure, stroke, heart disease and type 2 diabetes.

However, Users reviews pertaining to Alli are quite confluent; some found it astonishingly remarkable while others don’t see any fruitful results. That doesn’t proved to be a good appetite suppressant and it doesn’t improve the body’s ability to convert fat that’s why it doesn’t have much prolonged effects once you’ve stopped taking the pills.

It is clearly noted that Alli slimming tablets are not suitable for vegetarians as it contains gelatin which is of animal origin. The key active ingredient in Alli is Orlistat. Alongwith that it also contains inactive ingredients FD&C Blue 2, Edible Ink, Gelatin, Iron Oxide, microcystalline cellulose, Povidone, Sodium Lauryl Sulfate, Sodium Starch Glycolate, Talc and Titanium Dioxide. Active ingredients are ones that are pharmaceutically active, i.e. may interact with some other drugs you're taking.