Diet soft drink
Advocates say drinks employing these sweeteners have a more natural sugar-like taste than those made just with aspartame, and do not have a strong aftertaste.  The newer aspartame-free drinks can also be safely consumed by phenylketonurics, because they do not contain phenylalanine.  Critics say the taste is not better, merely different, or note that the long-term health risks of all or certain artificial sweeteners is unclear.