 These blends are reputed to give a more sugar-like taste where each sweetener masks the other's aftertaste, and to exhibit a synergistic effect wherein the blend is sweeter than its components.The current ingredients vary slightly with each flavor, but generally include purified water, less than 2% of natural flavor, citric acid, tartaric acid, malic acid, sucralose (Splenda), acesulfame potassium, sodium benzoate, and potassium sorbate.It contains no calories, fat, or sugar.