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As America's #1 pre-workout brand*, we've been pushing the boundaries of performance energy since 2011. Leading. Innovating. Defining what it means to be the best with incredible flavors, cutting-edge formulas, and uncompromising performance. Now, it's time to shatter those boundaries. To leap forward. To evolve.Introducing Project Clear Evolution: our mission to set a higher standard. To elevate the entire C4® family—and beyond—by pioneering the next generation of premium performance supplements that exceed your expectations. Project Clear Evolution is founded on three pillars:
- Clean: No artificial dyes. No artificial flavors.
- Clear: Fully transparent labels. No proprietary blends.
- Evolved: Innovative ingredients. Enhanced formulas.
These core principles are the backbone of Project Clear Evolution. We're swapping artificial colors and flavors in favor of more naturally-derived options, peeling back prop blends to showcase all the performance ingredients that make our products tick, and boosting our formulas with enhanced inputs for extreme performance. This is the future of sports nutrition, and it starts with the all-new C4® Extreme.**FEATURING NITRAMAX (NO3-C™)
Created by bonding citrulline with patented nitrates, NitraMax (NO3-C) is an advanced compound that delivers dual-pathway nitric oxide (NO) support. Unlike citrulline or citrulline malate, which work through a single mechanism, NitraMax™ supports two mechanisms of NO creation, the arginine pathway (eNOS) and the nitrate-nitrite conversion system, to help promote the ultimate pump.**REINVENTING A LEGEND
Over two years in the making, spanning multiple formula tweaks and hundreds of flavor tests, C4® Extreme has been reengineered and reimagined from the ground up to help support explosive energy, extreme performance, powerful pumps, and mental alertness. This is the product that defined a category, now evolved and updated.** Building on the legendary C4® performance formula, C4® Extreme is formulated with the following patented and clinically studied ingredients in to fuel your most extreme training sessions:**
- Nitramax™ Citrulline Nitrate (NO3-C™), 1g Our exclusive dual pathway nitric oxide (NO) amplifier is formulated with patented nitrates to support better pumps.**
- Creatine Nitrate (NO3-T®), 1g This 2-in-1 performance and pump amplifier, both a creatine and NO booster, is formed when creatine is bonded with nitrates. Creatine Nitrate may help support strength, size, and pumps.**
- CarnoSyn® Beta-Alanine, 2g The performance backbone of C4® Extreme, this patented form of beta-alanine has been clinically shown to fight fatigue and improve muscular endurance.**
- Caffeine anhydrous, 200mg Caffeine anhydrous supports energy, mental alertness, and mental and physical performance.**
- N-acetyl l-tyrosine, 200mg Supports mental and cognitive health during stressful activities like physical training.**
- Huperzine A, 50mcg This nootropic may support memory, learning, and concentration—key qualities for a strong mind-muscle connection and productive training.**
- 200mg Caffeine Explosive Energy®
- 2g CarnoSyn® Beta- Alanine
- 1g Nitramax (NO3-C)™
- 1g Creatine Nitrate (NO3-T®)