Alli - Orlistat General Information
The active ingredient in alli is orlistat 60 mg (Orlistat 120 mg, known as Xenical, has been available as a prescription treatment for 10 years). The safety and efficacy profile of orlistat is well documented and has been established through data from more than 100 clinical studies.
Orlistat 60 mg acts locally within the digestive system to prevent fat absorption, so there is minimal absorption of the active ingredient in the bloodstream.
Please visit Xenical (Orlistat) description.