Ultra vs C4 Ultimate Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.
Ultra by Infinis Nutrition offers a slightly higher caffeine content at 353 mg compared to C4 Ultimate by Cellucor at 300 mg, with C4 Ultimate having significantly higher market popularity.
Go with Ultra if...
- β’You prefer a slightly higher caffeine dosage
- β’You want a product from the Infinis Nutrition brand
In StockCoupon Available
Go with C4 Ultimate if...
- β’You prefer a more established, widely recognized brand
- β’You want a product with more community feedback and usage data
Out of Stock

Ultra
infinis nutrition

C4 Ultimate
cellucor
Compare
Ultra
C4 Ultimate
Stimulants
Total Caffeine
353 mg
300 mg
Exotic Stimulants
Contains Yohimbe
Community
Community Approval
100%
100%
Total Mentions
1
4
Where to Buy Ultra
NutriCartel
Ships from:πΊπΈ United States
$59.99
In Stock
Updated Just updated
Get 15% off your order
Where to Buy C4 Ultimate
Muscle Factory SC
Ships from:πΊπΈ United States
$39.99
Out of Stock
Updated 1h ago
Caffeine
353 mg
Exotic Stims
No
Contains Yohimbe
No
Community Approval
100%
Mentions
1
Caffeine
300 mg
Exotic Stims
No
Contains Yohimbe
No
Community Approval
100%
Mentions
4
Where to Buy Ultra
NutriCartel
Ships from:πΊπΈ United States
$59.99
In Stock
Updated Just updated
Get 15% off your order
Where to Buy C4 Ultimate
Muscle Factory SC
Ships from:πΊπΈ United States
$39.99
Out of Stock
Updated 1h ago
Ingredient Label
Ingredient Label
No pros/cons analysis available
Pros
- C4 Ultimate is considered a superior choice by users.
- It offers strong initial performance, comparable to other top-tier supplements.
Cons
- A drawback of C4 Ultimate is the uncertainty regarding its sustained effects throughout the day.
Comparison Summary
Ultra provides a higher caffeine concentration for intermediate users, whereas C4 Ultimate is a more popular, widely used option within the same performance tier. Ultra is suited for those seeking a specific caffeine threshold, while C4 Ultimate is ideal for those who prefer a proven, mainstream supplement.
Key Differences:
- Caffeine Content: Ultra (353 mg) vs C4 Ultimate (300 mg)
- Popularity: Ultra (1 mention) vs C4 Ultimate (4 mentions)
Key Similarities:
- Product Level: Both products are categorized as intermediate level supplements.
- Exotic Stimulants: Neither product contains exotic stimulants.
- User Sentiment: Both products have high user sentiment.