C4 Sport
We test and review fitness products based on an independent, multi-point methodology. If you use our links to purchase something, we may earn a commission. Read our disclosures.
PRODUCT HIGHLIGHTS
- Third-party tested by NSF-certified for Sport
- 200 mg of caffeine and 1 g of creatine
- Affordable
- 3 flavor options
Pros & Cons
What We Like...
- C4 has a history of good-tasting pre-workouts
- Third-party tested for purity and banned substances
- Low per-serving cost
What Needs Improvement...
- Key ingredients like L-citrulline are missing
- Some ingredients, like creatine, are underdosed
Specs
| Price per serving | $1.10 |
|---|---|
| Key ingredients | Caffeine, Taurine, Creatine |
| Flavor(s) | Watermelon, Hawaiian Punch, Icy Blue Razz |
Summary
C4 Sport is a third-party tested pre-workout supplement that we recommend for those who only take pre-workouts occasionally, or those who are new to them. Although it contains 200 milligrams of caffeine and is third-party tested by NSF-Certified for Sport, some key ingredients are missing or underdosed.
