It's not aspartame, but it is an artificial sweetener with some safety concerns. One of the main differences with aspartame is that acesulfame K is a more stable molecule, so it can be stored for longer periods, or heated.
http://www.cspinet.org/reports/chemc...tm#acesulfamek
http://www.cspinet.org/reports/asekquot.html
http://en.wikipedia.org/wiki/Acesulfame_potassium
ETA: and the polyethylene glycol in Nuun grosses me out at least as much as the acesulfame K.
Last edited by OakLeaf; 02-23-2011 at 10:41 AM.
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