Bio-Citrin™ has a variety of ingredients that allows you to decrease your sugar cravings, control your appetite, decrease insulin resistance and help stop carbs and protein from converting into fat. Bio-Citrin is an extract of Garcinia Cambogia, which works as a fat buster. First, it helps reduce your appetite. After that, it helps stop fat from being stored in your body. This is why Dr. Oz refers to the Garcinia Cambogia Extract as "The Holy Grail" of losing weight.