This is the active ingredient in Garcinia Cambogia extract… that is, the substance that produces the weight loss effects. Bottom Line: Garcinia Cambogia is a plant often used in Asian recipes. The skin of the fruit contains a substance called Hydroxycitric Acid (HCA), which is the active ingredient. Does Garcinia Cambogia Actually Work.
Woman Smiling and Holding a Supplement I managed to find several research studies on Garcinia Cambogia, in both animals and humans.