I'm not sure if this is real or not, but it looks real. After seeing meat-flavored water mentioned in today's "Blondie" comic, I checked the web and found http://dinnerinabottle.com, which is apparently promoting a churrascaria of meaty watery beverages.
I haven't found any actually for sale yet, so I'm assuming it's a spoof. Though it does have recipes.
Here's a list of flavors from the website: