"Carbonated candy typically consists of tiny sugar crystals containing highly pressurized carbon dioxide"And when those crystals mix with saliva, they reportedly fizz (think pop-rocks).
Here's betting that when they inevitably do carbonate granola bars, the words "carbonated candy" won't appear on the no doubt health-washed front-of-package nonsense usually festooned on the fronts of Quaker's (a PepsiCo company) granola bar packaging.