For those seeking the familiar fizz of Coca-Cola without the sugar and calories, Diet Coke and Coke Zero are the go-to ...

Coca-Cola acknowledges the presence of caffeine in its signature products but simply mentions that caffeine is an ingredient that ... did when tasting Caffeine-Free Diet Coke.

But, Coffey and a team of students tested the reactions between Diet Coke and fruit Mentos, mint Mentos, and various ingredients ... fizzy liquids such as caffeine-free and sugary colas, as ...