Train harder, go farther, and level up your energy.

Explosive Energy In Every Scoop!

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AMERICA'S #1 SELLING PRE-WORKOUT BRAND

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PERSONALIZED ENERGY & PERFORMANCE

From beginners to elite competitors, building muscle to burning fat there’s a C4 pre-workout to fuel your unique fitness journey.

UNRIVALED RESULTS BACKED BY SCIENCE

Formulated with clinically studied ingredients that are tested in the lab and proven in the gym.

INCREDIBLE TASTE WITH ZERO SUGAR

That legendary C4 taste with zero sugar and zero compromise in every scoop.

PERSONALIZED ENERGY & PERFORMANCE

From beginners to elite competitors, building muscle to burning fat there’s a C4 pre-workout to fuel your unique fitness journey.

UNRIVALED RESULTS BACKED BY SCIENCE

Formulated with clinically studied ingredients that are tested in the lab and proven in the gym.

INCREDIBLE TASTE WITH ZERO SUGAR

That legendary C4 taste with zero sugar and zero compromise in every scoop.

THE EXPLOSIVE ENERGY EXPERTS

Combining decades of art, science, and obsession, the C4 Family is the culmination of our relentless pursuit. We’re the pioneers of preworkout performance, the experts of explosive energy, and C4 is our legacy.

INTRODUCING: THE PRE-WORKOUT LINEUP

C4 Original

THE ORIGINAL EXPLOSIVE PRE-WORKOUT

The OG that started it all —C4 Original was built to take your energy, endurance, pumps, and performance to the next level.

  • 150mg Caffeine
  • 1.6g CarnoSyn® Beta- Alanine
  • 1g Creatine Nitrate (NO3-T®)
  • 1g Arginine AKG

C4 Ripped

PRE-WORKOUT AND ADVANCED CUTTING FORMULA

In addition to explosive energy and performance, C4 Ripped infuses clinically studied ingredients to support metabolism and fat-burning in every scoop.

  • 150mg Caffeine
  • 1.6g CarnoSyn® Beta-Alanine
  • Weight Loss Blend

C4 Sport

NSF TESTED. ATHLETE APPROVED.

With ingredients for explosive energy, strength, and performance - and proudly wearing an NSF certification, C4 Sport is the choice of athletes both on and off the field.

  • 135mg Caffeine
  • CarnoSyn® Beta-Alanine
  • Arginine AKG

C4 Ultimate Shred

ULTIMATE SHREDDING

As the ultimate choice for explosive energy and fat loss, C4 Ultimate Shred will help to take your fat burning, performance, and endurance results to the next level.

  • 300mg Caffeine Anhydrous
  • 6g Citrulline Malate
  • 3.2g of CarnoSyn® Beta-Alanine
  • Capsimax® Cayenne Extract

C4 Ultimate

ULTIMATE PRE-WORKOUT PERFORMANCE

Formulated to fuel your ultimate, C4 Ultimate contains ingredient dosages for unmatched energy, powerful performance, muscular endurance, and extreme focus.

  • 300mg Caffeine + Rauwolfia
  • 3.2g CarnoSyn® Beta-Alanine
  • 4g L-Citrulline
  • 2g Creatine Performance Complex
  • 200mg AlphaSize® A-GPC

OUR CUSTOMERS ARE RAVING

"I’m hooked on C4. The caffeine really helps get me moving for my early morning workouts. I’m able to keep the same energy throughout my workouts and it shows."

-Brian S.

This product really helps me in my workouts. As I have gotten older my workouts start out strong but then the intensity fades, with this product I am able to push through and finish my workout as strong as I started. Thanks!!"

-Steve B.

Great product! Taste is delicious, works wonders. Easy for beginners, may feel a tingle, but that’s normal."

-Rhiannon N.

America's #1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold*

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†Based on sales of all C4® brand products in the U.S.A. from 2014 to the present.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.