Sodium Saccharin is a no smell artificial white crystal sweetener.
It's used to sweeten products such as drinks, candies, medicines, and toothpaste.
As a sugar substitute, it's often use in low calorie or sugar-free food & beverage applications. As a kind of sweetener it is widely used in foods instead of sugar, especially for diabetic.
It's also used in cosmetic products, vitamins and pharmaceuticals.