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GGR Score: 4.4
Product Highlights
- Powerful ingredients
- Gives a solid boost of energy
- Dissolves well
- Affordable price per serving
In-Depth Review
C4 Pre-Workout Review (2026): Why Is It America’s Top-Selling Pre-Workout?
Author: Anthony O'Reilly CPT, CNCOur C4 pre-workout review examines why this has been one of the most popular supplements for more than a decade. Read the full review.
Pros & Cons
Pros
- Powerful ingredients
- Gives a solid boost of energy
- Can aid in training performance
- Dissolves well
- Affordable price per serving
Cons
- Some users report unpleasant aftertaste
- Gives some people headaches
- Some experience tingling in the face
Specs
| Third-party Tested? | No |
|---|---|
| Serving Size | 8.9 g |
| Nickname | Cellucor C4 |
| Rating | 4 |
| Beta-Alanine | 2 g |
| Plant-based | Not plant-based—includes artificial ingredients |
| Caffeine | 200 mg |
| Flavors | 4 flavors |
| Subscribe | Save with recurring orders |
| Third-party Tested | No |
| Citrulline | 1.2 g |
| Third-Party | Tested for banned substances |
| Price Per Serving | $1.17 |
Product Summary
If you’re looking for an affordable pre-workout drink from a big-name supplement company, give C4 a look.
