- A legacy of excellence – we’ve been pioneering, building, and perfecting pre-workouts longer than most brands have been in sports nutrition. We’re Obsessed with research, improvement, and results. We’re innovators and leaders, and we’re not new to our work. We have a legacy of building the best, most effective pre-workouts available.
- Americas #1 Selling Pre-Workout – Every scoop of C4 Extreme Energy delivers a Next-Level experience with a potent dose of energy, pumps, endurance, performance, and focus, including 3.2g CarnoSyn Beta Alanine, 1g Creatine Nitrate, 1g Arginine AKG, 1g Citrulline Malate, and 300mg caffeine, with zero Sugar, carbs, or calories.
- 100% Satisfaction guarantee: All Cellucor products are thoroughly developed, accurately tested, and proudly manufactured in the United States. All Cellucor sales by Amazon are backed by a 30-day, full money-back guarantee.
- Clinically studied, patented ingredients – No matter how big the scoop size or how revolutionary it claims to be, a great pre-workout starts with best-in-class ingredients used in effective doses. C4 Extreme Energy has been engineered to combine the advanced Energy of C4 with ingredients specific to Next-Level explosive pre-workout energy.
- Premium fitness journey: explosive energy, heightened focus and an overwhelming urge to tackle any challenge…That’s the C4 experience. Millions of people—ranging from beginners all the way up to the Elite competitors, have relied on C4 to turn their ambitions into achievements.