C4 Ripped Sport combines the powerful energy of C4 Sport with a revolutionary formula supporting healthy metabolism, resulting in a best-in-class pre-workout that can help give you what you need to perform your best. 135mg of Caffeine powers every workout with Hard-Hitting Energy™, and CarnoSyn® Beta-Alanine enhances muscular endurance to fight fatigue. Feel the burn and boost your metabolism with L-Carnitine Tartrate. C4 Ripped Sport is proudly Informed Choice-Certified, which means the product has gone through a full manufacturing audit and is regularly tested for a wide variety of WADA banned substances to ensure safety for sport.