Like many others, I take a preworkout energy booster and also get some protein into my system.
After my workout I drink a high quality protein drink.
However, I see some of the guys in the gym drinking during their workouts. What could that be?
One guess would be distilled/filtered water (maybe they don't like the water at the drinking fountain).
It's also possible that they are consuming some sort of supplement, and I was wondering what that might be.
Do you take/drink a supplement during your workout? If so, what is it?