ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2025 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
C4 Ultimate Shred

C4 Ultimate Shred

Cellucor

#Pre-Workout
50
Safety40
Efficacy60
Transparency75
Based on Examine, Wikipedia, and 23 other sources

Overview

C4 Ultimate Shred combines multiple ingredients aimed at boosting energy, focus, and fat burning. While some components have research backing these claims, the overall effectiveness is difficult to precisely quantify due to the proprietary blend and the high, potentially risky, stimulant content.

The Good

Enhanced Energy and Focus

Increased Thermogenesis for Fat Burning

Improved Exercise Performance

The Bad

High Stimulant Content

Potential for Cardiovascular Side Effects

Risk of Sleep Disruption

Is it for you?

Best For: Individuals seeking intense energy and focus for workouts, those looking for fat loss support

Skip If: You are sensitive to stimulants, have heart conditions, or are pregnant/nursing

Ingredients Analysis

Carnosyn

3.2 g

Caffeine

350 mg

C4 Smart Energy Matrix

Caffeine Anhydrous

Zumxr Extended Release Caffeine Microspheres

Zumxr Delayed Release Caffeine Microspheres

Alpha-Gpc

200 mg

Ginger (Zingiber Officinale) Root Extract

180 mg

Capsimax Cayenne (Capsicum Annuum) Fruit Extract

50 mg

Oligonol

50 mg

Bioperine Black Pepper (Piper Nigrum) Fruit Extract

5 mg

Rauwolfia Vomitoria Root Bark Extract

1 mg

Huperzine A

100 mcg

How to Use

Mix one scoop with 6-8 fl. oz. of water and consume 30-45 minutes before training. Do not exceed recommended dosage.

Frequency:

Daily (on training days)

Best Time:

Pre-workout

When:

30-45 minutes before exercise

Who Should Use This

Best For:

Individuals seeking intense energy and focus for workouts, those looking for fat loss support

Similar Products

Caffeine L-Theanine 100/200 mg by Hard Rhino

Caffeine L-Theanine 100/200 mg

Hard Rhino

Caffeine + L-Theanine Capsules 200/100 mg by Nootropics Depot

Caffeine + L-Theanine Capsules 200/100 mg

Nootropics Depot

Caffeine by Nutrija®

Caffeine

Nutrija®

Caffeine 200 mg by BodyLogix

Caffeine 200 mg

BodyLogix

Alpha-GPC by Douglas Laboratories

Alpha-GPC

Douglas Laboratories

ALPHA-GPC by FIT
POWDERS

ALPHA-GPC

FIT POWDERS

Recommended Articles

Bone Health Supplements for Plant-Based Postmenopausal Women

Bone Health Supplements for Plant-Based Postmenopausal Women

Optimal bone health for postmenopausal individuals on plant-based diets involves calcium, vitamin D, magnesium, and vitamin K2 supplementation.

Boost Brain Health: Key Ingredients for Aging

Boost Brain Health: Key Ingredients for Aging

Omega-3 fatty acids, Vitamin E, and curcumin are key ingredients that support cognitive function in aging, alongside the Mediterranean and MIND diets.

Top Ingredients for Healthy Circulation & Blood Flow

Top Ingredients for Healthy Circulation & Blood Flow

Dietary nitrate, omega-3 fatty acids, and flavonoids are pivotal for promoting healthy circulation and cardiovascular health.

Nutrients for Cellular Health & Repair

Nutrients for Cellular Health & Repair

Vitamins, minerals, and antioxidants are crucial for healthy cellular function and repair, with specific roles in cell maintenance.