C4 Ultimate Strawberry Watermelon
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 38% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyThe formula contains citrulline and creatine, which have strong evidence for improving exercise performance and muscle recovery. CarnoSyn beta-alanine is supported by moderate evidence for buffering lactic acid to delay fatigue. These ingredients are generally recognized as safe for healthy adults when used as directed.
AI-generated summary based on research evidence. Not medical advice.
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Label Data
Supplement Facts — Evidence Check
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Product Information
Directions for Use
Suggested Use: Take one serving (approx. 1 level scoop) of C4 Ultimate, mixed with 12 fl. oz of water (adjust for taste preference) 20-30 minutes before training. Some individuals may experience a harmless tingling sensation, which is attributed to beta alanine. Use only as directed.
Warnings & Precautions
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 medication; or, if you suspect you have or have been treated for, diagnosed with, or have a family history of, any medical condition, including but not limited to: high or low blood pressure, diabetes, anxiety, cardiovascular, psychiatric or seizure disorders, cardiac arrhythmia, stroke, heart, liver, kidney, or thyroid disease, or difficulty urinating due to prostate enlargement.
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
C4 Ultimate Performance ID 6g Supercitrulline pump matrix Powered by NitraMax [NO3-C] 3.2g Carnosyn beta-alanine Muscular endurance 2 patented creatines NO3-T Nitrate technology Con-Cret reinforced 300 mg Caffeine Explosive energy
Ultimate pre-workout performance
Strawberry Watermelon naturally flavored
Clean No artificial dyes. No artificial flavors.
Clear Fully transparent label. No proprietary blends.
Evolved Innovative ingredients. Enhanced formulas.
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.
Made in the U.S.A. using strategically sourced domestic and imported ingredients and components.
Additional Information
Follow @Cellucor Facebook Twitter Instagram For giveaways and updates Based on cumulative sales of all C4 branded products from 2010 to the present.
#1 America's best-selling pre-workout brand
Project Clear Evolution Clean. Clear. Evolved.
Store in a cool, dry place.
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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.