C4 Extreme Energy
All pre-workouts are not born equal. Some provide a little energy, some provide the kick you need to build mass, some help you lose it. But what you need is energy. Boundless energy.
If you find yourself drinking cup after cup of coffee throughout the day and built your caffeine tolerance above the rest, C4 Extreme Energy is made for you.C4 Extreme Energy is the next step for those who want that extra rush. Its formula features twice as much caffeine, more focus and more endurance than C4 Original.