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 brand popularity.
Go with Ultra if...
- •You prefer a slightly higher caffeine dose
- •You want a niche product from Infinis Nutrition
In StockCoupon Available
Go with C4 Ultimate if...
- •You prefer a well-established brand like Cellucor
- •You value products with higher community mention counts
- •You want a proven, widely recognized pre-workout formula
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%
88%
Total Mentions
1
8
Where to Buy Ultra
NutriCartel
Ships from:🇺🇸 United States
$59.99
In Stock
Updated 1h ago
Get 15% off your order
Where to Buy C4 Ultimate
Muscle Factory SC
Ships from:🇺🇸 United States
$39.99
Out of Stock
Updated 2h ago
Caffeine
353 mg
Exotic Stims
No
Contains Yohimbe
No
Community Approval
100%
Mentions
1
Caffeine
300 mg
Exotic Stims
No
Contains Yohimbe
Yes
Community Approval
88%
Mentions
8
Where to Buy Ultra
NutriCartel
Ships from:🇺🇸 United States
$59.99
In Stock
Updated 1h ago
Get 15% off your order
Where to Buy C4 Ultimate
Muscle Factory SC
Ships from:🇺🇸 United States
$39.99
Out of Stock
Updated 2h 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 dosage for intermediate users, whereas C4 Ultimate is a more popular, widely recognized supplement from a major brand. Ultra is suited for those seeking specific dosage profiles, while C4 Ultimate is ideal for users who prefer the reliability and community presence of a mainstream product.
Key Differences:
- Caffeine Content: Ultra (353 mg) vs C4 Ultimate (300 mg)
- Popularity (Mention Count): Ultra (1) vs C4 Ultimate (4)
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.