CoffeeTrim is a ready mix coffee with herbal ingredients HCA Garcinia Cambogia. WHAT IS HCA IN GARCINIA CAMBOGIA? The active ingredient in the Garcinia Cambogia fruit rind is hydroxycitric acid or HCA. Studies have shown that HCA appears to block an enzyme called citrate lyase, which your body uses to make fat. It also raises level of brain chemical serotonin, which may you feel full and less hungry. Loss of excess weight could help your blood sugar and cholesterol levels in check, too. How to Use: Drink 30 minutes before any meal Aba, Natural! Promise