Sign up for a subscription today and receive a FREE Variety Pack to "try before you buy," just pay shipping.

Snag Your 6-PackPlus Free Shipping

America's fastest
growing energy drink ^

C4® Now Fastest-Growing Energy Drink in NYC

Markets Insider

Explosive Global Growth: Carbonated C4® Expands to UK and Beyond

Yahoo Finance

C4® Delivers Performance Energy to 3,000 7-Eleven Stores

Market Watch

New C4® Smart Energy Unlocks SuperBrain Performance

Seeking Alpha

Smart Energy Takes C4 “Above the Neck”


Cellucor aims to deliver energy and focus with its upcoming C4 Smart Energy


Superhuman DNA

C4 isn't your average energy drink; it's better-for-you performance energy built to help you unleash superhuman performance. Unlike most energy drinks, which deliver a short buzz and sugar crash, C4 is sugar-free and charged with clinically studied ingredients to help you conquer any obstacle. Whether you're fighting the Monday afternoon drag, the burnout of a long work week, or a case of low motivation before your next workout, C4 is the superweapon you need to Awaken Your Super and dominate life.

Explosive Energy

200mg Caffeine

Caffeine is a central nervous system (CNS) stimulant that forms the legendary explosive energy core of C4.



This clinically studied, natural form of betaine is derived from beets, a powerful superfood that supports hydration and physical performance.



Helps the body produce key neurotransmitters like dopamine to support mood and cognitive health.


Carnosyn Beta-Alanine

This patented form of beta-alanine has been clinically shown to fight fatigue and improve muscular endurance.

No artificial dyes or colors - zero sugar, carbs & calories

500+ Five Star Reviews on Amazon & Walmart

C4 has an average rating of 4.7/5.0 on over 1,000 review from the biggest e-commerce sites on the planet.

TRY 6 Flavors for Free*

  • Just Pay Shipping
  • 30-day Money Back Guarantee
  • Cancel Any Time

After your trial pack, you get

24 Cans Every Month

Just enough to dominate your fitness goals.

Never Pay Full Price

Get 25% off the life of your subscription. Plus Free Shipping.

Take Control

Reschedule, Increase, or Swap Cans. You have control.

Snag Your 6-Pack


Can I cancel my subscription anytime?

Yes, you can cancel, pause, change flavors, or increase the number of cans in your subscription at any time. Our website is open 24/7.

Our default delivery setting is every 4 weeks, but you can easily change your delivery interval to 2, 4, 6, or even 8 weeks within your account. You can also increase your quantity if you want more C4.

Of course! Call us directly at (866) 927-9686. If you prefer to connect digitally, you can email or use our Live Chat feature on

We pack in our top six flavors for you to try. This includes Frozen Bombsicle, Strawberry Watermelon Ice, Cotton Candy, Orange Slice, Purple Frost, and Twisted Limeade. Your first 12-pack subscription will default to our most popular flavor, Frozen Bombsicle, but you can easily change this to your favorite flavor at any time.

No problem, we’ll give you a complete refund! We promise a full 100% money back guarantee if you don’t love C4. That’s how much we believe in our product.

C4 Energy is made with zero sugar, zero calories, and zero carbohydrates. It's also free from artificial colors or dyes. In addition, C4 contains a combination of clinically studied functional ingredients like CarnoSyn® Beta-Alanine, BetaPower® Betaine, caffeine, and citrulline to help you dominate life.

Find your super energy