We believe in the limitless potential of human performance. As a man with no limits, Kevin Hart turns to C4 Smart Energy to boost his daily grind. To push past all barriers. To ignite that fire within. See how he does it.

PLAY VIDEO

MOUTH WATERING FLAVORS WITH ZERO SUGAR

Every C4 Smart Energy is proudly made with zero sugar and no artificial colors so you don’t have to compromise on taste
for your goals. Our flavor lineup features something for everyone:

behind the scenes
with kevin

PLANT-BASED ENERGY

MENTAL FOCUS

SERIOUSLY, ZERO SUGARS

unlock smart energy and
superbrain performance

Two key ingredients power C4 Smart Energy: InnovaTea® and Cognizin® Citicoline. We combine 200mg of InnovaTea® caffeine naturally derived from Green Tea Extract and Cognizin®, a patented nutrient to help support mental focus, attention and recall, to ignite your superbrain performance.

While others tap out on caffeine and sugar to get that energy rush, C4 Smart Energy is infused with performance ingredients from the makers of the #1 Global pre-workout brand*.

LEARN MORE

what people have to say about c4 smart energy

“These outperform other products and actually give me a pick-me-up.””

– Ethan R - Verified Reviewer

"I recently had to make the transition to night shifts, working long days on minimal sleep, these have been a lifesaver.”

– KGolden - Verified Reviewer

"Serves as a mental cue that it's time to get to work.”

– Bowen - Verified Reviewer

"Man... the freedom ice is my absolute FAVORITE beverage of all time.”

– DK - Verified Reviewer

join the excliusive
c4 energy squad