🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B 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

4 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

CarnoSyn
2 Gram(s)
C4 Ripped Blend
503 mg
200 mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 200mg UL 400mg
Bioperine Black Pepper (Piper nigrum) fruit extract
5 mg

Other Ingredients

Capsule Shell Magnesium Stearate Silicon Dioxide Rice Flour

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (98% of products) Structure/Function (93% of products) Nutrient (19% of products)

Target Groups

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

Product Information

📋 Directions for Use

Suggested use: Take one serving (4 capsules) of C4 Ripped with food in the morning or early afternoon. Some individuals may experience a harmless tingling sensation, which is attributable to Beta-Alanine. Do not take within 6 hours of bedtime. Do not exceed 8 capsules per day. Use only as directed.

⚠️ Warnings & Precautions

Some individuals may experience a harmless tingling sensation, which is attributable to Beta-Alanine. Do not take within 6 hours of bedtime. Do not exceed 8 capsules per day. Use only as directed.

Warning: This product is only intended for healthy adults, 18 years of age or older.

Do not use if pregnant or nursing. Before taking this product, consult a licensed, qualified, health care 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.

This product contains caffeine and should not be used in combination with caffeine or stimulants from other sources. Do not use this product continuously for more than 8 weeks. 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 the safety seal is broken or missing.

Keep out of reach of children.

🧪 Formulation Notes

Some individuals may experience a harmless tingling sensation, which is attributable to Beta-Alanine.

This product contains caffeine and should not be used in combination with caffeine or stimulants from other sources.

C4 Smart Energy Matrix

CarnoSyn Carnosine Synthesizer Capsimax Capsicum extract

Additional Information

Store in a cool, dry place.

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

Explosive energy and cutting formula

Product Details

UPC / SKU 8 42595 11262 7
DSLD Entry Date 2019-11-21
Product Type Other Combinations
Form Capsule
Brand Cellucor
DSLD ID 206409
Data Updated 2026-04-11

Research Evidence

82 Research Sources
51 Avg Quality Score
28 Rct
19 Meta Analysis
17 Clinical Trial
16 Systematic Review
A Preconception lifestyle advice for people with infertility
Meta Analysis The Cochrane database of systematic reviews 2021
B The effects of caffeine intake on weight loss: a systematic review and dos-response meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2019
B Effects of caffeine chewing gum supplementation on exercise performance: A systematic review and meta-analysis
Meta Analysis European journal of sport science 2023
B Genetic susceptibility to caffeine intake and metabolism: a systematic review
Systematic Review Journal of translational medicine 2024
B Pharmacological interventions for sleepiness and sleep disturbances caused by shift work
Meta Analysis The Cochrane database of systematic reviews 2014
B Effects of Caffeine Intake on Endurance Running Performance and Time to Exhaustion: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2022
B The effects of green tea extract supplementation on body composition, obesity-related hormones and oxidative stress markers: a grade-assessed systematic review and dose-response meta-analysis of randomised controlled trials
Meta Analysis The British journal of nutrition 2024
B Effect of green tea catechins with or without caffeine on anthropometric measures: a systematic review and meta-analysis
Systematic Review The American journal of clinical nutrition 2010
B Caffeine, CYP1A2 Genotype, and Endurance Performance in Athletes
Rct Medicine and science in sports and exercise 2018
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010
View all evidence for Caffeine →

Compare Similar Products

View all Caffeine products →