Splenda Coffee Sweetener is one of the most popular no calorie sweeteners on the market today. By combining a number of natural sweeteners with modified sugar, Splenda creates a flavor that resembles refined sugar in its sweetness. Splenda Sweeteners allow you to enjoy your coffee or tea as sweet as you like it without having to worry about glycemic spikes and sugar crashes. Splenda is recognized as safe to ingest as a diabetic sugar substitute.