Ultra vs C4 Ultimate Comparison
See a side-by-side comparison of ingredients, stats, and community sentiment.
Ultra provides a higher caffeine dosage for increased intensity, while C4 Ultimate is more widely recognized in the community with three times as many mentions.
Go with Ultra if...
- •You want a higher caffeine concentration of 353mg
- •You prefer a less mainstream brand with high quality standards
In StockCoupon Available
Go with C4 Ultimate if...
- •You want a product with proven initial performance
- •You prefer a more popular and widely discussed supplement
- •You are looking for a well-established brand like Cellucor
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
3
Where to Buy Ultra
NutriCartel
Ships from:🇺🇸 United States
$59.99
In Stock
Updated 8h ago
Get 15% off your order
Where to Buy C4 Ultimate
Muscle Factory SC
Ships from:🇺🇸 United States
$39.99
Out of Stock
Updated 9h 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
3
Where to Buy Ultra
NutriCartel
Ships from:🇺🇸 United States
$59.99
In Stock
Updated 8h ago
Get 15% off your order
Where to Buy C4 Ultimate
Muscle Factory SC
Ships from:🇺🇸 United States
$39.99
Out of Stock
Updated 9h 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 stimulant dose at 353mg of caffeine compared to the 300mg in C4 Ultimate, though both are categorized as intermediate-level formulas without exotic stimulants. Ultra is suited for those seeking maximum caffeine intensity, while C4 Ultimate is ideal for users who value brand popularity and immediate performance impact.
Key Differences:
- Caffeine Content: Ultra (353 mg) vs C4 Ultimate (300 mg)
- Popularity: Ultra (1 community mention) vs C4 Ultimate (3 community mentions)
Key Similarities:
- Product Level: Both supplements are categorized as intermediate-level formulas.
- Exotic Stimulants: Neither product contains exotic stimulants, relying on more traditional energy ingredients.
- User Sentiment: Both products have high user sentiment.