It’s been a while that I do not mention Caffeine gum because maybe it is not as trendy as it used to be a few years ago. However, I came across the caffeinated version of one of the top brand worldwide: Airwaves, by Mars/Wrigley. In particular, I have in front of me a pack of nice hexagonal shape (quite unusual!!) coated pieces of caffein gum. Wrigley uses not only the brand “Airwaves” but also the classic “Alert Gum” to market its gum with Caffein.
Related to this subject I found two interesting websites that I’d like to share with you:
Chewing Gum Consultant 
You should try NeuroGum