C4

C4

Brand Score A-

9 products · 2 categories · Avg 4.51★ · 63,740 reviews

Price range $20$48

Last analyzed: June 5, 2026

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Quick Take on C4

Score: A-
✅ Why buy C4
  • Only 0% of products fall below 4 stars — rare misses across the lineup
  • 64K+ reviews give a reliable read on real-world quality
  • Focused on Pre-Workout Supplements, where it averages 4.5★
⚠️ Keep in mind
  • A narrow lineup (2 categories) — limited options if you want range
💡 Our top pick from C4
Original Pre-Workout Powder

C4 Original Pre-Workout Powder

4.6 (8,820 reviews) · Score A+

4.6★ with 8.8K reviews — top-rated in Pre-Workout Supplements

Full Analysis →

Brand Score: A-

A- in Pre-Workout Supplements — C4's 9 products average 4.51★ across 2 categories, with Pre-Workout Supplements as the strongest line (4.5★ avg).

Quality100/100
Presence72/100
Value100/100
Depth25/100

C4 earns a Brand Score of A- on Mubboo, based on analysis of 9 products across 2 categories. Quality consistency (100/100) is the brand's strongest dimension, with 100% of products rated 4 stars or above. Category depth (25/100) is the area with the most room for improvement. C4's primary strength is in Pre-Workout Supplements, where it averages 4.5★.

How we calculate Brand Score

Quality Consistency (40%): percentage of products rated 4+ stars

Market Presence (25%): total review volume, log-scaled

Value Positioning (20%): average price vs category average

Category Depth (15%): number of active product categories

Based on 9 C4 products · last analyzed June 5, 2026.

How C4 Compares

This Brand

C4

A-

Avg Rating: 4.51

Reviews: 63,740

Avg Price: $31

100% rated 4+★

Most Popular

Optimum Nutrition

B-

Avg Rating: 4.38

Reviews: 38,838

Avg Price: $23

75% rated 4+★

View brand →
Highest Rated

Jacked Factory

B+

Avg Rating: 4.33

Reviews: 14,896

Avg Price: $20

100% rated 4+★

View brand →

Our Top 3 from C4

🏆 Best Overall
Original Pre-Workout Powder

C4 Original Pre-Workout Powder

4.6 (8,820 reviews) · Score A+

4.6★ with 8.8K reviews — top-rated in Pre-Workout Supplements

Full Analysis →
💰 Best Value
Cellucor C4 Sport Pre Workout Powder Watermelon

C4 Cellucor C4 Sport Pre Workout Powder Watermelon

4.5 (11,737 reviews) · Score A+

4.5★ with 12K reviews — top-rated in Pre-Workout Supplements

Full Analysis →
🔥 Most Popular
Cellucor C4 Sport Pre Workout Powder Blue Raspberry

C4 Cellucor C4 Sport Pre Workout Powder Blue Raspberry

4.5 (20,357 reviews) · Score A+

4.5★ with 20K reviews — top-rated in Pre-Workout Supplements

Full Analysis →

Where C4 Is Strongest

Pre-Workout Supplements
4.5★ avg
8 products
Protein Powder
4.6★ avg
1 product

Pre-Workout Supplements

View all →
Cellucor C4 Sport Pre Workout Powder Blue Raspberry
Cellucor C4 Sport Pre Workout Powder Blue Raspberry
$22
Buy on Amazon
Ripped Sport Pre Workout Powder Fruit Punch
Ripped Sport Pre Workout Powder Fruit Punch
$25
Buy on Amazon
Cellucor C4 Sport Pre Workout Powder Watermelon
Cellucor C4 Sport Pre Workout Powder Watermelon
$22
Buy on Amazon
Original Pre-Workout Powder
Original Pre-Workout Powder
$30
Buy on Amazon
Cellucor C4 Ultimate Shred Pre Workout Powder
Cellucor C4 Ultimate Shred Pre Workout Powder
$48
Buy on Amazon
Cellucor C4 Ultimate Shred Pre Workout Powder
Cellucor C4 Ultimate Shred Pre Workout Powder
$40
Buy on Amazon

Protein Powder

View all →
Whey Protein Powder
Whey Protein Powder
$43
Buy on Amazon

What You'll Spend on C4

Most C4 products fall between $20 and $48.

Pre-Workout Supplements: C4 averages $30, the category average is $35about $5 less
Protein Powder: C4 averages $43, the category average is $47about $3 less

C4 prices in line with the category average — a balanced mix of cost and quality.

What People Say About C4

Aggregated from review themes across 9 C4 products.

Across product lines, reviewers consistently note
  • Smooth, jitter-free energy
  • Good taste and enjoyable flavors
  • Effective energy and focus boost
  • Clump-free mixability in various liquids
Common concerns
  • Inconsistent product formula or taste across batches
  • Crashes or negative side effects for some users
  • Poor mixability for certain products

Where to Buy C4

C4 products are available on Amazon — 9 products across 2 categories.

Browse C4 on Amazon →

Featured in Our Reviews

Brand Bottom Line

Brand Score
A-
Best Product
Original Pre-Workout Powder ($30) Buy on Amazon →
Price Level
Mid-range — near category average
Quality
100% of products rated 4+★
Best For
Value-focused buyers who still want reliability
Alternatives
Optimum Nutrition (Score B-) · Jacked Factory (Score B+)

C4 pairs strong quality with accessible pricing — an easy recommendation. Start with the Original Pre-Workout Powder.

Frequently Asked Questions

Is C4 a good brand?

C4 earns a Brand Score of A- on Mubboo. 100% of its 9 products are rated 4 stars or above, which puts it among the most consistent brands in Pre-Workout Supplements. The main consideration is pricing — C4 products average $31, in line with the category average.

What is the best C4 product to buy?

Based on 8.8K reviews and a Mubboo Score of A+, the Original Pre-Workout Powder ($30) is C4's top pick. For a budget option, the Cellucor C4 Sport Pre Workout Powder Watermelon ($22) delivers 4.5★ at 27% of the cost.

Is C4 worth the premium price?

C4 prices close to the category average ($31 vs $36), so you're not paying a brand premium.

C4 vs Optimum Nutrition: which is better?

C4 scores A- vs Optimum Nutrition's B-. C4 edges ahead on average rating (4.51★ vs 4.38★), while Optimum Nutrition has fewer total reviews (39K vs 64K).

Sources & References

Product data9 C4 products tracked via Amazon/Keepa · last refreshed June 5, 2026.
Pricing514,606 price snapshots across the catalog · includes Amazon + official store where available.
Community sentimentAmazon verified reviews, aggregated from 9 products.
Expert reviews1 products carry coverage from Wirecutter, RTINGS, CNET where available.
Methodology — Mubboo Brand Score v1.0: Quality (40%) · Presence (25%) · Value (20%) · Depth (15%).
Last analyzed: June 5, 2026 · updated automatically every 24 hours via ISR.

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