Correct Answer: Saccharin

Solution : The correct answer is Saccharin .

Saccharin is an artificial sweetener that lacks nutrients. It is made in a laboratory by oxidising o-toluene sulfonamide or phthalic anhydride. In the 1870s, a researcher at Johns Hopkins University in Baltimore, Maryland, named Constantine Fahlberg, made the discovery. Since 1900, saccharin has been used to sweeten food and drink.