Ovaltine? Sounds to good to be true, how long does it stay hot/warm/drinkable for?
Sparkling water! I would love to have seen that, my brother (new to mountainbiking) put some of that carbonated rockstar energy drink in, fairly amusing i just left him to it.
I also tried lucozade still when i had nothing else, FAR too sweet it was like drinking treacle, not refreshing at all.