🟢 96/100

This product looks safe

  • Folate: 100mg is 100.0× the Tolerable Upper Intake Level (1.0mg)
  • 44% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 100mg is 100.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

8.3 Gram(s) Serving Size
30 Servings
Other Combinations Product Type
44% Evidence Coverage

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Total Carbohydrate
1 Gram(s) (1% DV)
3.4 mg (200% DV)
✅ 2.6× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 3.4mg UL 100mg
100 mcg DFE (25% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 100.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 100mg UL 1.0mg
6 mcg (250% DV)
✅ 2.5× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.006mg
225 mg (41% DV)
✅ Within RDA (0.4× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 225mg UL 3500mg
Muscular Endurance and Performance Booster
4.5 Gram(s)
NO3-T
1 Gram(s)
Explosive Energy and Focus Complex
205 mg

Other Ingredients

Malic Acid Silicon Dioxide Citric Acid Calcium Silicate Vegetable Juice, Powder Natural and Artificial flavors Sucralose Acesulfame Potassium

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (89% of products) Nutrient (56% 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 scoop) of C4 Original with 6 fl. oz. of water and consume 20-30 minutes before training. Studies have shown benefits of CarnoSyn Beta- Alanine to be correlated with cumulative use.

⚠️ Warnings & Precautions

Some individuals may experience a harmless tingling sensation, which is attributable to Beta-Alanine. 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. 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 the safety seal is broken or missing.

Warning This product is only intended for healthy adults, 18 years of age or older. Keep out of reach of children.

Do not use if pregnant, nursing, or currently taking PDE-5 inhibitors or nitrates for chest pain. Do not take this product before first 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.

🧪 Formulation Notes

Made in the U.S.A. using strategically sourced foreign and domestic ingredients and components.

Cherry Naturally & artificially flavored

Pre-Workout Energy + Focus Muscular Endurance + Pump

AI-Powered Peptides

200 mg caffeine 2 g CarnoSyn Beta-Alanine 100 mg PeptiPump

C4 Original has been fueling athletes & fitness enthusiasts of all types for over a decade.

Explosive energy Increased training intensity with 200 mg of caffeine. Muscular endurance + Pump High-performance sessions powered by CarnoSyn Beta-Alanine and improved muscular pump with Velox Patented Performance Blend. AI-Powered Peptides Includes Peptipump, AI-powered designer peptides only found in C4. Enhanced focus Heightened focus to support mind-muscle connection with 200 mg of caffeine and added Huperzine A.

CarnoSyn Carnosine Synthesizer PeptiPump N03-T Nitrate Technology Velox

Additional Information

Minimum fill line after settling. 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.

Store in a cool, dry place.

#1 Global pre-workout brand New 5th generation Based on cumulative global sales of C4 branded pre-workout products.

Follow us @C4ENERGY

Product Details

UPC / SKU 8 42595 13469 8
DSLD Entry Date 2025-07-24
Product Type Other Combinations
Form Powder
Brand Cellucor
DSLD ID 335104
Data Updated 2026-04-11

Research Evidence

237 Research Sources
53 Avg Quality Score
83 Meta Analysis
74 Systematic Review
45 Rct
29 Clinical Trial
2 Guideline
2 Regulatory Source
1 Openfda Safety
A Associations between serum Homocysteine, vitamin B9, and vitamin B12 levels and the formation of intracranial Aneurysms: A systematic review and meta-analysis
Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2025
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 Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency
Systematic Review The Cochrane database of systematic reviews 2018
A Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression
Meta Analysis Nutrients 2021
A Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis
Systematic Review Irish journal of medical science 2024
B Helicobacter pylori infection and micronutrient deficiency in pregnant women: a systematic review and meta-analysis
Meta Analysis BMJ open gastroenterology 2020
B Vitamin B12 supplementation during pregnancy for maternal and child health outcomes
Systematic Review The Cochrane database of systematic reviews 2024
B A comprehensive review and meta-regression analysis of randomized controlled trials examining the impact of vitamin B12 supplementation on homocysteine levels
Meta Analysis Nutrition reviews 2024
B Relationship between vitamin B12 levels and motor development: A systematic review
Systematic Review Clinical nutrition ESPEN 2024
B Vitamin B12, folate, and homocysteine in metabolic syndrome: a systematic review and meta-analysis
Meta Analysis Frontiers in endocrinology 2023
View all evidence for Vitamin B12 →

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