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.
AMERICA’S #1 SELLING PRE-WORKOUT - Every scoop of C4 delivers a high-octane experience with the best in energy, pumps, endurance, performance, and focus, including 1.6g CarnoSyn beta alanine, 1g NO3-T creatine nitrate, 1g arginine AKG, and 150mg 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.
OBSESSION WITH DELICIOUS FLAVORS: We put every flavor of C4 through 100s of flavor tests. Seriously. And we don't settle. If a flavor doesn't measure up, we move on. We're dedicated to making the industry's best-tasting products, and nothing less will do.
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.