Garcinia is basically a tropical fruit that you can easily find in India, Southeast Asia, and Africa. It is believed to have medicinal properties and that's the reason why it is popular. Additionally, it is used as an ingredient to prepare curries. The fruit rind of garcinia contains hydroxy-citric acid which might help in the fat burning process by blocking an enzyme called citrate lyase, which your body uses to make fat. Many believe, the fruit to contribute to weight loss and appetite reduction.