C4 Extreme Watermelon
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 50% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyThe formula contains caffeine and creatine, which have strong evidence for improving alertness and muscle power. Citrulline and tyrosine are included to support blood flow and cognitive focus, though evidence for these specific nitrate forms is more limited. Overall, the ingredients are well-studied for athletic performance and acute energy.
AI-generated summary based on research evidence. Not medical advice.
Product Label
Label Data
Supplement Facts — Evidence Check
Other Ingredients
Label Claims — Verification
Product Information
Directions for Use
Suggested Use: Take one serving (approx. 1 level scoop) of C4 Extreme mixed with 6 fl. oz. of water, 20-30 minutes before training. Use only as directed.
Warnings & Precautions
Some individuals may experience a harmless tingling sensation, which is attributable to Beta-Alanine. Warning: This product is only intended for healthy adults 18 years of age or older.
Do not use if pregnant, nursing, currently taking PDE5 inhibitors or nitrates for chest pain. Before taking this product, consult a licensed, qualified, health care professional, especially if you are taking any other dietary supplement, prescription drug or over-the-counter medication; or if, you suspect you have or have been treated for, diagnosed with or have a family history of, any medical condition. This product contains caffeine and should not be used in combination with caffeine or stimulants from other sources.
Discontinue use 2 weeks prior to surgery. Immediately discontinue use and contact a medical doctor if you experience any adverse reaction to this product. Do not use this product continuously for more than 8 weeks. Do not use if safety seal is broken or missing.
Keep out of reach of children.
Formulation Notes
200 mg caffeine Explosive energy 2g Carnosyn Beta-Alanine Muscular endurance 1g Nitramax (NO3-C) Citrulline Nitrate Nitric oxide booster 1g NO3-T Creatine Nitrate 2 in 1 Creatine & N.O. booster
America's #1 Best-selling Pre-workout brand Explosive pre-workout performance 60 Servings Naturally flavored
No artificial dyes. No artificial flavors. No proprietary blends.
Innovative ingredients. Enhanced formulas.
This product contains caffeine and should not be used in combination with caffeine or stimulants from other sources.
Made in the U.S.A. using strategically sourced domestic and imported ingredients and components.
Additional Information
Follow @Cellucor for giveaways and updates Based on cumulative sales of all C4 branded products from 2010 to the present. C4 Extreme performance id
Project clear evolution Clean. Clear. Evolved.
Clean Clear Fully transparent label. Evolved
Store in a cool, dry place.
This product is sold by weight, not volume. The density of the powder varies, and significant settling of powder may occur during shipping and handling. This product contains the servings indicated when measured by weight.
Product Details
Research Evidence
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.