Garcinia Cambogia is an extract that comes from the tamarind fruit. Originally grown in south east Asia and India.
Garcinia can also be sold under the names of brindle berry, tamarind extract or know as hydroxycitric acid (in sports products). Only recently has Garcinia re-emerged as a fat loss product, although has been around for years and years.
Some of the main benefits of Garcinia Cambogia are:
As Dr Oz says: "the newest fastest fat burner". To me it looks good, but it's always reccommended to do your own research.