They contain Garcinia Cambogia, green coffee bean extract, green tea extract, and Forskolin. Garcinia cambogia is a fruit that is sometimes used in weight-loss supplements because it contains hydroxy citric acid (HCA), which is thought to boost metabolism and curb appetite. However, there is no reliable evidence that garcinia Cambogia is effective against weight loss. Green coffee bean extract is another popular ingredient inthe supplement used for weight loss. It is thought to contain chlorogenic acids that can boost metabolism and help the body burn fat. Green tea extract is a common ingredient in many health supplements because it contains antioxidants that are thought to be good for your health. However, there is no reliable evidence that green tea extract aids in weight loss. Forskolin is a herbal supplement