C4 Original Icy Blue Razz
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 46% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyThe profile includes B vitamins and vitamin C, which support energy metabolism and antioxidant functions. Research provides strong evidence for the role of niacin and B6 in cellular energy production. However, overall evidence coverage for this specific ingredient combination is very limited.
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 (1 level scoop) of C4 Original, mixed with 6 fl. oz. of water 20-30 minutes before training.
Warnings & Precautions
Some individuals may experience a harmless tingling sensation, which is attributed to beta alanine. Use only as directed.
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. Do not take this product before consulting a licensed, qualified, health care professional 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
Some individuals may experience a harmless tingling sensation, which is attributed to beta alanine.
This product contains caffeine and should not be used in combination with caffeine or stimulants from other sources.
Additional Information
Store in a cool dry place.
This product is sold by weight, not volume. Some settling of powder may occur during shipping and handling, which may affect density of powder. This product contains the servings indicated when measured exactly by weight. Made in the U.S.A. using strategically sourced domestic an imported ingredients and components.
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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.