Caffeine refuels muscles after workout
Personally, I'm pathologically opposed to caffeine because of the effect it has on my psyche but here is an interesting read...
"There is a new recipe for growing faster and stronger, and it involves coffee. Lots and lots of coffee.
Muscles regained 66% more glycogen in the four hours after intense exercise when athletes took the equivalent of five or six cups of coffee with carbohydrates than when they ate carbohydrates alone, reported John A. Hawley, Ph.D., of the Royal Melbourne Institute of Technology University."