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A sweetener is a substance added to food or drink to impart the flavor of sweetness, either because it contains a type of sugar, or because it contains a sweet-tasting sugar substitute. Various natural non-sugar sweeteners (NSS) and artificial sweeteners are used to produce food and drink.
Many artificial sweeteners have been invented and are now used in commercially produced food and drink. Natural non-sugar sweeteners also exist, [1] such as glycyrrhizin found in liquorice. [2]