100,000+ Positive Reviews

24 cans for $49.99

Work Hard, Play Hard Bundle
 
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24 cans of your favorite
 
 
12 Pack / 16oz / Arctic Snow Cone
Arctic Snow Cone
12 cans
12 Pack / 16oz / Frozen Bombsicle
Frozen Bombsicle
12 cans
12 Pack / 16oz / Tropical Tundra Frost
Tropical Tundra Frost
12 cans
12 Pack / 16oz / Fruit Punch
Fruit Punch
12 cans
12 Pack / 16oz / Sour Blue Razzilla
Sour Blue Razzilla
12 cans
12 Pack / 16oz / Ultimate Energy Variety Pack
Ultimate Energy Variety Pack
12 cans
12 Pack / 12oz / Peach Mango
Peach Mango
12 cans
12 Pack / 12oz / Cherry Berry Lime
Cherry Berry Lime
12 cans
12 Pack / 12oz / Strawberry Guava
Strawberry Guava
12 cans
12 Pack / 12oz / Blue Raspberry - Digital Exclusive
Blue Raspberry - Digital Exclusive
12 cans
12 Pack / 12oz / Tropical Passionfruit
Tropical Passionfruit
12 cans

AFTER YOUR TRIAL PACK, 10% OFF YOUR RECURRING ORDER

PERFORMANCE ENERGY
ENHANCED ENDURANCE
ZERO SUGAR
NSF CERTIFIED FOR SPORT®

AFTER YOUR TRIAL PACK, 10% OFF YOUR RECURRING ORDER

What's Inside: Work Hard, Play Hard

Your Work Hard, Play Hard Bundle includes 24 carbonated energy drinks, built for high performance and high output. Choose Ultimate Energy, Smart Energy, or a custom mix to match your training intensity and daily grind.

If You Choose C4 Ultimate Energy

Maximum energy for your hardest workouts and biggest days.

Each can delivers:

  • 300mg of caffeine for intense, fast-acting energy
  • BetaPower® Betaine to support hydration and performance
  • Zero sugar & zero artificial colors, so you can go harder without the crash
  • NSF Certified for Sport® for trusted, sport-safe ingredients
  • Bold, high-impact flavors designed to fuel peak performance

Best for advanced athletes, heavy training days, and moments when you need to push past limits.

If You Choose C4 Smart Energy:

Clean energy for focus, clarity, and everyday performance.

Each can delivers:

  • 200mg of caffeine from natural sources for steady, feel-good energy
  • Clinically studied Cognizin® Citicoline to support focus, attention, and mental clarity
  • Zero sugar & zero artificial colors, so you can stay sharp without the crash
  • NSF Certified for Sport® — trusted, sport-safe ingredients
  • Bright, craveable flavors that make productivity taste better

Perfect for workdays, long meetings, creative focus, and afternoon slumps.

Ready to build your perfect mix? Choose your flavors and fuel your goals.

Real Customers. Real Reviews.

Wow. Best energy drink I've ever had without a doubt.
Combat J
This is the best tasting energy drink I have tried
NCheney1987
C4 has has the best tasting flavors, but Jolly Rancher Green Apple beats them all. I would drink a case per day if I could.
Dodger Mike
Tastes great and gives me a lot of energy. It works well!
Jocelyn F

Answers for all
your questions

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.
Do I have to subscribe to monthly delivery?
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.
Can I speak with a live representative?
Of course! Call us directly at (866) 927-9686. If you prefer to connect digitally, you can email support@cellucor.com or use our Live Chat feature on Cellucor.com.
What if I am not happy with my trial 24 cans?
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.

Still have questions?