Ultra vs C4 Ultimate Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.
Ultra by Infinis Nutrition provides a slightly higher caffeine content at 353 mg compared to the 300 mg found in C4 Ultimate by Cellucor, with C4 Ultimate having significantly higher community popularity.
Go with Ultra if...
- •You prefer a higher caffeine dosage
- •You want a product from a specialized brand like Infinis Nutrition
In StockCoupon Available
Go with C4 Ultimate if...
- •You prefer a well-established brand like Cellucor
- •You value a product with higher community mention counts and proven track records
- •You prefer a slightly lower caffeine intake
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:🇺🇸 United States
$59.99
In Stock
Updated 7h ago
Get 15% off your order
Where to Buy C4 Ultimate
Muscle Factory SC
Ships from:🇺🇸 United States
$39.99
Out of Stock
Updated 8h 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:🇺🇸 United States
$59.99
In Stock
Updated 7h ago
Get 15% off your order
Where to Buy C4 Ultimate
Muscle Factory SC
Ships from:🇺🇸 United States
$39.99
Out of Stock
Updated 8h 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 offers a higher stimulant load for those seeking maximum caffeine, whereas C4 Ultimate is a more widely recognized and popular option with a slightly lower caffeine profile. Ultra is best for those prioritizing raw caffeine content, while C4 Ultimate is suited for users who prefer a mainstream, highly discussed 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.