Sugar Free and Zero Calories Helps control calorie intake and maintain blood sugar level. Helps maintain body weight and thus works to prevent diabetes. Made from Stevia Stevia is a natural sweetener made from the Stevia leaf. The stevia leaf has been used by native tribes in South America for hundred years to naturally sweeten their food and drink. Why Tropicana Slim Zero Calorie Sweetener Stevia? It is a zero-calorie sweetener, tastes and sweetens just like sugar, is suitable for diabetics and diet regimens and can be used to replace sweetening agents while cooking.