garcinia cambogia is one of the most promoted as a potential anti-obesity agentGarcinia cambogia is one of the most promoted as a potential anti-obesity agent, the active principle of this plant to which these properties have been attributed, is hydroxycitric acid (HCA). The effects of HCA are associated with a reduction in food intake via serotonin level regulation and metabolic modifications, such as an increase in fat oxidation, a decrease in lipogenesis and the stimulation of hepatic glycogenesis, thus promoting energy expenditure.