2#Wah_On 5 J% v" d0 k! V0 `. gAspartame, commonly known by the brand name NutraSweet, is one of the most commonly used artificial sweeteners. The 1982 introduction of aspartame-sweetened Diet Coke accelerated this trend. Today, at least in the United States, "diet" is nearly synonymous with the use of aspartame in beverages.