Cellucor C4 Ultimate
Cellucor C4 Ultimate
Cellucor C4 Ultimate
Cellucor C4 Ultimate

Cellucor C4 Ultimate

Cellucor

$54.99
C4 Ultimate is Cellucor’s most intense pre-workout; 300mg caffeine, clinical doses of pump and focus ingredients, and no blends. Made for serious lifters who train to dominate.
Flavour
$54.99

Go beyond your limits with C4 Ultimate, Cellucor’s most explosive pre-workout formula yet. Designed for serious lifters and intense athletes, C4 Ultimate delivers unmatched energy, tunnel-vision focus, skin-splitting pumps, and powerful endurance. With 300mg of caffeine, clinically studied doses of beta-alanine and citrulline malate, and no proprietary blends, this is the ultimate pre-workout experience; no fluff, just results. Whether you’re chasing PRs or crushing long sessions, C4 Ultimate helps you dominate every rep, set, and workout.

Key Features

  • Strong energy boost: Contains high-stim caffeine for alertness and energy.
  • Pump & blood-flow support: Citrulline (and related nitric-oxide boosters) to increase blood flow and enhance “pump.”
  • Muscular endurance & reduced fatigue: Includes beta-alanine to help delay fatigue and support endurance during intense sessions.
  • Strength & performance support: Added creatine and related compounds to aid strength, power and performance under load.
  • Focus & mind-muscle activation: Includes amino-acid & nootropic-type ingredients to help with mental focus and drive

Key Ingredients

  • 300mg Caffeine: High-stim formula for extreme energy and mental intensity
  • Cognizin® & AlphaSize® A-GPC: Enhanced focus, motivation, and mind-muscle connection
  • 6g Citrulline Malate: Massive pumps and improved blood flow
  • 3.2g CarnoSyn® Beta-Alanine: Fight fatigue and boost muscular endurance
  • No Proprietary Blends: Fully disclosed label with clinical doses
  • Third-Party Tested: Quality you can trust from a brand backed by science

Brands may change ingredients, serving sizes, allergens, or other formulation aspects at any time. Always refer to your product label for the most up to date information.

How is C4 Ultimate different from regular C4?
C4 Ultimate contains higher doses of performance ingredients like 300mg of caffeine, 6g citrulline malate, and no proprietary blends; designed for experienced users who want max results.

When should I take it?
Take 1 scoop 20–30 minutes before your workout.

Is this product safe?
Yes, C4 Ultimate is third-party tested for quality and safety. Due to its high-stim formula, it’s recommended only for users with pre-workout experience.

Can I stack it with other supplements?
Yes, but avoid stacking with other stimulants. You can safely stack it with creatine, intra-workouts, or non-stim pump formulas.

Does it cause tingling or itching?
Yes; that’s the beta-alanine (3.2g), which creates a harmless tingling sensation known as paresthesia. It’s a common and normal effect.

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Product images, descriptions, FAQ’s, ingredient lists, nutrition facts, serving sizes, allergen information, and all supplement information displayed on this website are for general reference only and may not reflect the most current product formulation or packaging. Manufacturers may change product formulas or labels at any time without notice. For the most accurate and up-to-date information, please refer to the product label as it appears in-store. Supplement World assumes no liability for inaccuracies or changes made by the manufacturer. Always consult a qualified healthcare professional before starting any supplement, especially if you have allergies, pre-existing conditions, or are taking other medications.