A legacy of excellence- we've been pioneering, building, and perfecting pre-workouts longer than most brands have been in sports nutrition.
The ultimate pre-workout FORMULA - we're proud to say that the formula powering each serving of C4 Ultimate power P6 delivers an ultimate experience on every level: The ultimate in energy, pumps, endurance, performance, and focus.
100% Satisfaction guarantee: All Collector products are thoroughly developed, accurately tested, and proudly manufactured in the United States. All Collector sales by Amazon are backed by a 30-day, full money-back guarantee.