VYFAT 120MG contain orlistat which belongs to a group of medicine called lipase inhibitors. It is used to treat obesity in conjunction with a low-calorie intake diet. Obesity is a disorder involving excessive body fat that increase the risk of health problem. It works in your digestive system to block about one-third of the fat in the food you eat from being digested. It attaches to the enzymes in your digestive system (lipases) and blocks them from breaking down some of the fat you have eaten during your meal. The undigested fat cannot be absorbed and is eliminated by your body.