"C4 has been my go-to energy drink for the past 5 years. It's an essential part of my morning gym routine and powers me through my daily hustle." - Kevin Hart
Designed to support your day mentally and physically
Brain Fuel : C4 Smart Energy
C4 Smart Energy sharpens your attention, boosting memory and performance.
C4 Smart Energy features patented, clinically studied Cognizin® and naturally-derived caffeine from green tea to deliver the mental focus you crave.
Energy & Focus
Innovatea®
Focus &
Attention
Cognizin®
ZERO SUGAR
ZERO CALORIES, ZERO CARBS, & NO ARTIFICIAL FLAVORS OR DYES
Body Fuel : C4 Energy
C4 Energy promotes endurance, hydration and heightened physical performance.
Every can contains the patented, clinically studied CarnoSyn®, which can help to fight fatigue and improve muscular endurance.
Muscular Endurance
Carnosyn®
NATURAL
HYDRATION
BetaPower Betaine
EXPLOSIVE
ENERGY
With 200mg of Caffeine
Exceptional Flavor,
Awakened You
Enjoy unparalleled flavor and plant-based energy from green tea with zero artificial sweeteners, preservatives, or colors.
Yup, it's an unfair advantage
Made with high-quality ingredients you can trust, C4 keeps you sharp physically and mentally. It’s why I recommend it to all my clients, and I always grab a can whenever I need brain fuel, body fuel or both!”
Ron "Boss" Everline - Celebrity Fitness Trainer
TRY 6 FLAVORS
Over 3 Billion Servings sold*
For over a decade C4 has defined performance energy with over 3 billion servings sold globally.*
*Based on the number of servings of all C4® branded products sold globally from 2014 to the present.
ENERGY 101
LEARN MORE