🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 38% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

16 Gram(s) Serving Size
40 Servings
Other Combinations Product Type
38% Evidence Coverage

Supplement Facts — Evidence Check

Calories
5 Calorie(s)
Total Carbohydrates
1 Gram(s) (1% DV)
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 6mg
CarnoSyn
3.2 Gram(s)
📊 Market median: 5.0mg (298 products) 📚 701 studies (Tier A: 5, B: 123)
This product: 1mg
1 Gram(s)
📊 Market median: 5.0mg (298 products) 📚 701 studies (Tier A: 5, B: 123)
This product: 1mg
1 Gram(s)
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 1mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 400mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 300mg UL 400mg
AlphaSize 50% A-GPC
200 mg
Theacrine
62.5 mg
Rauwolfia vomitoria root extract
1 mg
50 mcg
📊 Market median: 0.15mg (41 products)
Median 0.15mg This product: 0.05mg

Other Ingredients

Calcium Silicate Silicon Dioxide Natural Flavors Acesulfame Potassium Sucralose Citric Acid Spirulina extract

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (98% of products) Structure/Function (93% of products) Nutrient (20% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating)

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.

Use only as directed.

⚠️ Warnings & Precautions

300 mg Caffeine Explosive energy

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, nursing, currently taking PDE-5 inhibitor 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

TeaCrine AlphaSize CarnoSyn carnosine synthesizer NO3 T Nitrate technology Con-Cret reinforced

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

Ultimate pre-workout performance

Icy blue Razz Naturally flavored

Clean No artificial dyes. No artificial flavors.

Evolved Innovative ingredients. Enhanced formulas.

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

Additional Information

For complete patent and trademark information, visit cellucor.com/c4dynasty Follow @Cellucor For giveaways and updates Based on cumulative sales of all C4 branded products from 2010 to the present.

C4 Ultimate Performance ID

#1 America's best-selling pre-workout brand

40 servings

Project Clear Evolution Clean. Clear. Evolved.

Clear Fully transparent label. No proprietary blends.

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

UPC / SKU 8 42595 11232 0
DSLD Entry Date 2021-10-22
Product Type Other Combinations
Form Powder
Brand Nutrabolt
DSLD ID 254801
Data Updated 2026-04-11

Research Evidence

739 Research Sources
47 Avg Quality Score
472 Clinical Trial
139 Meta Analysis
74 Systematic Review
47 Rct
2 Regulatory Source
1 Cochrane Review
1 Guideline
1 Openfda Safety
A Association of Age, Antipsychotic Medication, and Symptom Severity in Schizophrenia With Proton Magnetic Resonance Spectroscopy Brain Glutamate Level: A Mega-analysis of Individual Participant-Level Data
Meta Analysis JAMA psychiatry 2021
A HMG CoA reductase inhibitors (statins) for people with chronic kidney disease not requiring dialysis
Meta Analysis The Cochrane database of systematic reviews 2014
A Cordyceps sinensis (a traditional Chinese medicine) for treating chronic kidney disease
Meta Analysis The Cochrane database of systematic reviews 2014
B Greater Choline-Containing Compounds and Myo-inositol in Treatment-Resistant Versus Responsive Schizophrenia: A 1H-Magnetic Resonance Spectroscopy Meta-analysis
Meta Analysis Biological psychiatry. Cognitive neuroscience and neuroimaging 2024
B Comparison of statins for secondary prevention in patients with ischemic stroke or transient ischemic attack: a systematic review and network meta-analysis
Systematic Review BMC medicine 2019
B Efficacy of Creatine Supplementation Combined with Resistance Training on Muscle Strength and Muscle Mass in Older Females: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2021
B The Effects of Creatine Supplementation on Upper- and Lower-Body Strength and Power: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2025
B Meta-analysis of the efficacy and safety of Finerenone in diabetic kidney disease
Meta Analysis Medicine 2026
B Creatine and creatine analogues in hypertension and cardiovascular disease
Meta Analysis The Cochrane database of systematic reviews 2011
B HMG CoA reductase inhibitors (statins) for dialysis patients
Meta Analysis The Cochrane database of systematic reviews 2013
View all evidence for Creatine →

Compare Similar Products

View all Creatine products →