No sorry, no idea where to find it in CH

I’m a big fan of Fritz-cola, and they have plenty of other sodas as well. Don’t know how easy it is to find though

I’ve been looking for something similar for a while as well. Recently found this, which might fit your description: https://www.green-shirts.com/en/ They seem to originate from Germany

Actually just got here based on that post. Knew about the fediverse before, but was hesitant to take the plunge