Cellucor
C4 Ultimate
Servings / tub
20
Price per serving
$2.00
Cost per point
$0.25
per formula score point
Caffeine
300 mg
≈ 3.2 cups of coffee
Strengths
- Strong, reliable energy and focus
- A real pump you'll actually feel
- Covers a lot of ground in one scoop
- A strong, well-rounded energy and focus lift
- A real, noticeable pump
Watch-outs
- Won't feel like a max-intensity stim bomb
- Endurance support is solid but capped
- No dedicated hydration boost for longer sessions
- You want an extreme stim hit
- You want dedicated hydration support for longer sessions
Effects Timeline
AI-estimated changes in effects over the first 3 hours after taking the recommended serving.
AI analysis
Strong, clean energy, solid focus, and a real pump during your workout. It's genuinely broad -- nothing misses entirely, but nothing's pushed to its absolute max either.
Ingredient breakdown
Every dose · every gap| Ingredient | Clinically effective dose | Dose in C4 Ultimate | Status |
|---|---|---|---|
| Beta Alanine | 4.5 g | 3.2 g | 71%Moderate dose |
| Citrulline | 4 g | 3 g | 75%Moderate dose |
| Arginine | 4 g | 3 g | 75%Moderate dose |
- Beta Alanine3.2 g71%Moderate dose
- Citrulline3 g75%Moderate dose
- Arginine3 g75%Moderate dose
Evidence references
Int J Sport Nutr Exerc Metab · 2024 · n=331
Effect of Beta-Alanine Supplementation on Maximal Intensity Exercise in Trained Young Male Individuals: A Systematic Review and Meta-Analysis
Nutrients · 2026 · n=644
Effects of Citrulline Malate Supplementation on Exercise Performance: A Systematic Review and Three-Level Meta-Analysis
Nutrients · 2025
The Effects of Creatine Supplementation on Upper- and Lower-Body Strength and Power: A Systematic Review and Meta-Analysis
