Acesulfame-K: Acesulfame-K (aka "Ace-K") is a potassium salt containing methylene chloride, a known carcinogen. Acesulfame-K is not the same thing as Aspartame, but quite often, BOTH are found in the same products. Reported side effects of "sweet devil" Acesulfame-K are frightening: "Long term exposure to methylene chloride can cause nausea, headaches, mood problems, impairment of the liver and kidneys, problems with eyesight and possibly cancer. Acesulfame-K may contribute to hypoglycemia."
Also, of all the artificial sweeteners out there, Acesulfame-K has undergone the least