Take your training to the next level with explosive C4 Energy from 135mg of caffeine.
Fuel muscular endurance and fight fatigue with clinically studied CarnoSyn Beta-Alanine
C4 Ripped Sport is a fat burner for men and women. With ingredients like L-Carnitine, CLA, and DygloFit to support metabolism.
NSF Certiﬁed supplements must meet rigorous standards that include comprehensive lab testing and extensive evaluation.
Backed by 20 years of sports nutrition expertise, we’ve raised the bar with an innovative selection of supplements. Since every fitness journey is unique, we continue to develop and deliver products that support our customers at every experience level.
NSF-Certified for Sport Fat Burning Pre-Workout for Men and Women
With ingredients for explosive energy, weight loss, and performance – and proudly wearing an NSF certification, C4 Ripped Sport is the choice of athletes both on and off the field.
- 135 mg of caffeine delivers explosive energy that’s ideal for mild to intermediate stimulant levels
- Formulated to support energy and fat burning
- Includes the clinically researched CarnoSyn Beta-Alanine, studied to help increase endurance, performance, and fight fatigue.
- CLA and L-Carnitine Tartrate, and Dyglofit to support metabolism
- NSF-Certified for Sport, an independent certification recognized by the USADA, MLB, and NHL
- Third party tested for safety and quality
- Incredible sugar-free flavors with zero calories
America’s #1 selling pre-workout*
Millions of people—ranging from beginners all the way up to the elite competitors, have relied on C4 pre-workout to ignite their fitness journey.