Included in the C4 x Hawaiian Punch collaboration are a variety of pre-workout powders–which are intended to be mixed into a bottle of water to give you a flavor-filled, long-lasting boost of ...

I selectively tuned out the possible side effects, like irregular heartbeats, and bought Cellucor C4 pre-workout powder in Fruit Punch. The results were cartoonishly drastic. The first time I took ...