Yeah ive always heard that vitamin water isnt that great for you. I drink a product called Immune Fizz, you add it to your own water, i really notice a difference with that. Only prob is unless you live in Seattle you can only get it from Costco or online
http://www.costco.com/Browse/Product.aspx?Prodid=11171359&whse=BC&topnav=&brows e=