Garcinia Cambogia is a small tree which grows in Southeast Asia. The fruit is a small, yellow-green, pumpkin-shaped tamarind. Garcinia Cambogia extract is a pale, brown powder and is made from the external fruit rind. The extract contains 50% or more hydroxycitric acid (HCA). Hi-Tech Garcinia Cambonia Extract will help elevate your mood and help support weight control. During the 1970s, scientists at Brandeis University and at Hoffman LaRoche demonstrated that hydroxycitric acid, when blended with the diet, had a marked effect on weight loss. However, due to hydroxycitric acids basis in nature a commercialized product was never brought to market. Hi-Tech was one of the first to bring Garcinia to market in 1997.