Sodium metabisulphite is utilized as an antioxidant agent that is used to make several pharmaceutical formulations. This is utilized as a food preservative as well as optimum-quality disinfectant. Sodium metabisulphite is known as a reducing agent that is used widely in cookie and cracker production. Besides, this is used as a preservative for baked goods, jams and dried fruit. Its antioxidant capacity is appreciable. Overuse can make breathing problems, so it must be used with care.