We've got these in The Netherlands from quite a long time. It does contain a very very very small part of extract from hemp.  No, you won't experience any effects from this.

I think it's just a marketing plan for youngsters, who want to be "cool" with their energydrinks and think everything about Cannabis is "cool".   However, I've tried these too. The taste isn't bad, it's just one of the Red Bull alternatives..