This product is designed to support weight-loss results achieved from a diet and exercise program. It contains hydroxycitric complex (HCC) derived from the rind of a South-East Asian fruit. Features and benefits. Blackmores Weight Loss Accelerate contains a patented ingredient called hydroxycitric acid (HCA), derived from the rind of the Malabar tamarind, a South-East Asian fruit. When combined with a calorie-controlled diet and exercise program, this ingredient helps to: reduce fat stores. enhance fat oxidation (burning). reduce appetite. reduce body mass index. help maintain normal cholesterol levels.unlike many competitor weight-loss products, it does not stimulate the central nervous system with caffeine or guarana.