C4 Ultimate now offers the Trim-Stim energy experience ... to improve their physique and level of fitness with their pre workout powder, but has that changed since they created a new formula?

At that moment, I felt like it could give me a much-needed edge. I selectively tuned out the possible side effects, like irregular heartbeats, and bought Cellucor C4 pre-workout powder in Fruit Punch.

Some of the strongest pre workout supplements on the market include C4 Ultimate, Pre JYM, and Wrecked Extreme. These supplements contain high amounts of caffeine and other stimulants, which can ...

Backed by man-mountain and three-time CrossFit Games champion Mat Fraser, Cellucor's C4 pre-workout is America's #1 pre-workout. Cellucor uses an in-house product development team alongside athlete ...