Saccharin (E954) is an artificial sweetener, and a synthetic sugar substitute. Saccharin belongs to a group of strong sweeteners and is 300 times sweeter than sugar.
Cyclamate (E952), Synonyms: sodium N-cyclohexylsulfamate, is a food additive and a synthetic sugar substitute. Currently Cyclamate is 30 to 50 times more sweet than sucrose.