TONE UP, LEAN DOWN, AND BOOST YOUR ENERGY.

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"As I climbed the ranks in my fitness journey, using only the best performance supplements became a must! I quickly noticed that many of the top athletes in the world are using Cellucor."

– Ms. Bikini Olympia, Janet Layug

Boost Your Fitness Results with Explosive Energy

GET C4 NOW

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 pre-workout performance, the innovators of explosive energy, and C4 is our legacy.

JANET'S GO-TO

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
C4 Ripped | Pre-Workout | XTEND
C4 Original | Pre-Workout | XTEND

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

CLK

STIMULANT FREE FAT LOSS

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
C4 Ripped | Pre-Workout | XTEND

WHAT JANET HAS TO SAY

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!!"

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!!"

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.