Originally Posted by
mahohmei
http://en.wikipedia.org/wiki/GU_Energy_Labs
Gu is a 100-calorie "energy gel" crammed into a 1.1 fl oz packet, frequently used for long-distance running, since it's a (relative) lot of calories crammed into a small packet the runner can cram into the pockets.
I don't mean to get off-topic but, is it a good product?