Mannan-oligosaccharide- (MOS)-based nutritional supplements are widely used prebiotics. They are often used as nutritive additives commercially. MOS has been proven to improve gastrointestinal health as well as overall health performance. Gum arabic is another food additive often used by manufacturers of desserts and confections. They are also used as thickening and stabilising agents in the food industry. Sugar-free hard candies and low-fat ice cream can also be made with gum arabic.