Features
- UNVEIL YOUR ULTIMATE: C4 Ultimate Shred packs premium ingredients and a high-intensity formula to deliver explosive energy, pumps, endurance, and focus.
- CHISEL YOUR PHYSIQUE: C4 Ultimate Shred's cutting edge blend of 6g Citrulline Malate, 3.2g CarnoSyn Beta-Alanine, Caffeine, DygloFit, Capsimax Cayenne Extract, and Bioperine to achieve extreme definition.
- All Cellucor products are thoroughly developed, accurately tested, and proudly manufactured in the United States. All Cellucor sales by Amazon are backed by a 30-day, full money-back guarantee. Note: Some individuals may experience a harmless tingling sensation, which is attribute to Beta-Alanine
- PREMIUM INGREDIENTS: C4 Ultimate Shred contains clinically studied ingredients that have become a revolutionary fat-loss formula. C4 Ultimate Shred contains Citrulline Malate, CarnoSyn Beta-Alanine, Caffeine, Capsimax Cayenne Extract, DygloFit, BetaPower Betaine, Nitrosigine, TeaCrine and other ultimate performance ingredients.
- UNBEATABLE FLAVORS: There’s a flavor for you. C4 Ultimate Shred is offered in Gummy Candy, Strawberry Watermelon, Icy Blue Razz, and Lemon Italian Ice.
Product Images
From the manufacturer

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ULTIMATE ENERGYFuel your ultimate training and results with 300mg of caffeine for no-holds barred energy. |
ULTIMATE ENDURANCEUnleash ultimate endurance and fight fatigue with 3.2g of the clinically studied CarnoSyn Beta-Alanine. |
ULTIMATE SHREDDINGIgnite your metabolism with Capsimax Cayenne, Ginger Root, and Green Tea extract for enhanced fat burning for men & women. |
ULTIMATE FLAVORSLegendary zero sugar C4 taste in every scoop. With billions of servings sold, C4 has been setting the standard in flavor for over a decade. |

America’s #1 selling pre-workout*
Millions of people—ranging from beginners all the way up to the elite competitors, have relied on C4 pre-workout to ignite their fitness journey.


Backed by 20 years of sports nutrition expertise, we’ve raised the bar with an innovative selection of supplements. Since every fitness journey is unique, we continue to develop and deliver products that support our customers at every experience level.
The ultimate fat-burning pre-workout for Men & Women
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.
- 300 mg of caffeine delivers explosive energy that’s ideal for advanced pre-workout users
- Formulated to support energy, weight loss, pumps, and endurance
- Includes 3.2g of the clinically researched CarnoSyn Beta-Alanine, studied to help increase endurance, performance, and fight fatigue.
- Clinically studied doses of Capsimax cayenne to support weight loss
- Weight management support ingredients like Oligonal Lychee fruit and green tree extract
- Neuro Focus support from AlphaSize Alpha-GPC, N-Acetyl-L-Tyrosine, and Huperzine-A
- Incredible sugar-free flavors with zero calories
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C4 Ultimate PCE | C4 Ultimate Shred | C4 Ultimate Carbonated | C4 Ultimate Non-Carbonated | |
Product Features | Our most advanced pre-workout, C4 Ultimate is fully loaded with 300mg of caffeine, 6g citrulline malate, 3.2g CarnoSyn Beta-Alanine, and an array of supporting ingredients to deliver the ultimate in explosive energy, pumps, performance, and focus. | C4 Ultimate Shred’s cutting-edge blend of Capsimax Cayenne, Oligonol, clinically studied DygloFit, and Bioperine will help you achieve extreme definition. C4 Ultimate Shred continues to torch calories even after you’re done training! | C4 Ultimate Carbonated is fully loaded with 300mg of caffeine, 3.2g CarnoSyn Beta-Alanine, and an array of supporting ingredients to deliver the ultimate in explosive energy, performance, and focus when you’re on the go. | C4 Ultimate Non-Carbonated is a non-carbonated version of our Ultimate beverage also fully loaded with 300mg of caffeine and 3.2g CarnoSyn Beta-Alanine to deliver the ultimate in explosive energy, performance, and focus. |
Caffeine | 300mg | 300mg | 300mg | 300mg |
Beta-Alanine | 3.2g | 3.2g | 3.2g | 3.2g |
Sugar Free | ✓ | ✓ | ✓ | ✓ |
Focus | ✓ | ✓ | ✓ | ✓ |
Creatine | ✓ | |||
Weight Loss | ✓ | |||
Testosterone Blend |