Oligofructose (Known as FOS, Fructo-Oligosaccharides, Raftilose, Oligofructose)Controls appetiteAids definition & fat lossPrebioticControls insulinControls blood sugarHow does it work?Oligofructose is a carbohydrate polymer derived from fructose polymers commonly found in plants and vegetables including onions, bananas, garlic and chicory).