C4 Sport Pre Workout Powder
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Vitamin B662 systematic reviews · 142 randomised trials | 35 mcg |
| Vitamin B12141 systematic reviews · 337 randomised trials | 35 mcg |
| Calcium702 systematic reviews · 3290 randomised trials | 22 mg |
| Magnesium250 systematic reviews · 790 randomised trials | 12 mg |
| Potassium87 systematic reviews · 1010 randomised trials | 20 mg |
| C4 Sport Performance Blend | 4.9 g |
| C4 Sport Energy Blend | 1.14 g |
Certifications & Testing
Other Ingredients
Malic Acid, Polydextrose, Citric Acid, Artificial Flavors, Silicon Dioxide, Calcium Silicate, Sucralose, Acesulfame Potassium, FD&C Red #40
Recommended Use
Suggested use: Take each serving (approx. 1 scoop) of C4 Sport, mixed with with 6-8 fl. oz. of water 20-30 minutes before training. During your workout, it is recommended that you drink plenty of water. Some individuals may experience a harmless tingling sensation, which is attributable to beta-alanine. Use only as directed.
Warnings
Warning: This product is only intended to be consumed by healthy adults, 18 years of age or older. Do not use this product if you are pregnant, nursing, currently taking PDE-5 inhibitors or nitrates for chest pain. Before taking this product, consult a licensed, qualified, healthcare professional, especially if you are taking any other dietary supplement, prescription drug or over-the-counter medi
Frequently Asked Questions
What is Cellucor C4 Sport Pre Workout Powder's Formulate score?
Cellucor C4 Sport Pre Workout Powder scores 72 out of 100 (grade B) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Cellucor C4 Sport Pre Workout Powder worth it?
Cellucor C4 Sport Pre Workout Powder scores 72/100 (grade B). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Cellucor C4 Sport Pre Workout Powder?
Each serving contains Vitamin B6 (35 mcg), Vitamin B12 (35 mcg), Calcium (22 mg), Magnesium (12 mg), and more. Serving size: 9 Gram(s). 30 servings per container.
How do I take c4 sport pre workout powder?
Suggested use: Take each serving (approx. 1 scoop) of C4 Sport, mixed with with 6-8 fl. oz. of water 20-30 minutes before training. During your workout, it is recommended that you drink plenty of water. Some individuals may experience a harmless tingling sensation, which is attributable to beta-alanine. Use only as directed.
Who makes C4 Sport Pre Workout Powder?
C4 Sport Pre Workout Powder is made by Cellucor. See Formulate's full grade and product lineup for Cellucor on its brand page.
Is Cellucor C4 Sport Pre Workout Powder third-party tested?
Cellucor lists the following certifications and testing for this product: NSF Certified.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.