Here is a wikipedia page about Garcinia Cambogia. garcinia cambogia canada How Garcinia Cambogia Works Garcinia helps people lose weight through a variety of mechanisms. The principle active ingredient is called HCA, or hydroxycitric acid. This compound is a natural extract found in the leaves of the Malabar Tamarind plant. Pure Garcinia products also contain other natural GC extracts, such as Gorikapuli.