🟢 97/100

This product looks safe

  • Niacin: 60mg is 1.7× the Tolerable Upper Intake Level (35mg)
  • 38% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 60mg is 1.7× the Tolerable Upper Intake Level (35mg)

Label Data

11.66 fl. Oz. Serving Size
12 Servings
Other Combinations Product Type
38% Evidence Coverage

Supplement Facts — Evidence Check

Calories
Total Carbohydrates
Sugar
60 mg (300% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.7× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 60mg UL 35mg
1 mg (50% DV)
✅ Within RDA (0.8× RDA of 1.3 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 1mg UL 100mg
500 mcg (125% DV)
✅ 1.2× RDA — within safe limits 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.5mg UL 1.0mg
70 mcg (1167% DV)
📊 29.2× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.07mg
6 Gram(s)
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 6mg
CarnoSyn
3.2 Gram(s)
1.5 Gram(s)
📊 Market median: 496.0mg (192 products) 📚 20 studies — no high-quality reviews
This product: 1.5mg
📊 Market median: 500.0mg (143 products)
This product: 1mg
1 Gram(s)
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 1mg
C4 Ultimate Energy & Focus Blend
708 mg

Other Ingredients

Water Sucralose Natural & Artificial flavors Acesulfame Potassium Sodium Citrate Dipotassium Phosphate

Label Claims — Verification

All Other
Structure/Function
All Other (98% of products) Structure/Function (89% of products) Nutrient (43% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Use: Consume one bottle (11.66 fl oz) of C4 Ultimate On The Go 20-30 minutes before dominating exercise...and life. Some individuals may experience a harmless tingling sensation, which is attributed to beta alanine.

⚠️ Warnings & Precautions

300mg caffeine

Some individuals may experience a harmless tingling sensation, which is attributed to beta alanine. 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 or nursing. Before using this product consult a licensed, qualified, health care professional, including but not limited to, if: you are taking antidepressants such as a MAOI (Monoamine Oxidase Inhibitor) or SSRI, blood thinners, nonsteroidal anti-inflammatory drugs, pseudoephedrine, or 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, glaucoma, 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 by individuals wishing to eliminate caffeine from their diet or in combination with caffeine or stimulants from other sources, including but not limited to, coffee, tea, soda, or other dietary supplements and medications.

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 if safety seal is broken or missing.

Keep out of reach of children.

🧪 Formulation Notes

300mg caffeine

This product contains caffeine and should not be used by individuals wishing to eliminate caffeine from their diet or in combination with caffeine or stimulants from other sources, including but not limited to, coffee, tea, soda, or other dietary supplements and medications.

Additional Information

Made in the U.S.A. using U.S. and imported ingredients and components.

For complete patent and trademark information visit cellucor.com/c4ultimate

The most explosive pre-workout

Naturally & artificially flavored 12 pack 12 - 11.66 fl oz bottles (139.9 fl oz) 12 - 345 mL bottles (4.14 L)

Store in a cool dry place. Do not freeze.

105464

Product Details

UPC / SKU 8 42595 10260 4
DSLD Entry Date 2018-02-23
Product Type Other Combinations
Form Liquid
Brand Cellucor
DSLD ID 82835
Data Updated 2026-04-11

Research Evidence

153 Research Sources
55 Avg Quality Score
71 Systematic Review
51 Meta Analysis
19 Rct
6 Clinical Trial
2 Other
2 Regulatory Source
1 Openfda Safety
A Efficacy of vitamin and antioxidant supplements in prevention of cardiovascular disease: systematic review and meta-analysis of randomised controlled trials
Meta Analysis BMJ (Clinical research ed.) 2013
A Homocysteine lowering interventions for preventing cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2009
A Intake of vitamin B6, folate, and vitamin B12 and risk of coronary heart disease: a systematic review and dose-response meta-analysis of prospective cohort studies
Meta Analysis Critical reviews in food science and nutrition 2019
A Exploring the causal associations of micronutrients on urate levels and the risk of gout: A Mendelian randomization study
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2024
A Pyridoxine (vitamin B6) supplementation during pregnancy or labour for maternal and neonatal outcomes
Meta Analysis The Cochrane database of systematic reviews 2015
B Prophylactic drug management for febrile seizures in children
Meta Analysis The Cochrane database of systematic reviews 2021
B Treatments for Hyperemesis Gravidarum and Nausea and Vomiting in Pregnancy: A Systematic Review
Systematic Review JAMA 2016
B The potential role of nutritional components in improving brain function among patients with Alzheimers disease: a meta-analysis of RCT studies
Meta Analysis Neurosciences (Riyadh, Saudi Arabia) 2020
B Pyridoxine (vitamin B6) supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2006
B Effect of ginger in the treatment of nausea and vomiting compared with vitamin B6 and placebo during pregnancy: a meta-analysis
Meta Analysis The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians 2022
View all evidence for Vitamin B6 →

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