Gleukos all-natural sports drink

[Zen]

I'm suspicious of that new-fangled "all natural" stuff.

Radon gas is all natural

[witeowl]

From the bottom of their site:

Have you ever wondered what Red Dye 40 does for your performance? Yeah, we couldn’t figure that one out either…

I think I have to try it just for that line.

(Though I typically drink Ultima Replenisher, which also is all-natural and free of dyes. But it's also nearly free of carbs/energy, making it less than ideal for long rides...)