Not that I know of. As long as it's distilled water to start with. I hear the carbination is good for your stomach. Don't know for sure though.

Doc

I had read that carbonated water is acidifying (which supposedly is not good for optimal health) and that the carbon impedes calcium absorption. If you google it, I'm sure you'll find what I found. I used to be a carbonated water junkie....I"ve moved to regular water now.