Advertising Disclosure

C4 Energy Drink Comparison - April 2026

1
Best Choice
9.9Exceptional
2
Best Value
9.8Exceptional
3
9.6Exceptional
4
9.4Excellent
5
9.3Excellent
6
9.2Excellent
7
9.1Excellent
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon

Model

Cellucor C4 Performance Energy Drink | Cosmic Rainbow | Zero Sugar Carbonated Preworkout Energy | 200mg Caffeine with Beta Alanine | 16 Fl Oz (12 Pack), Packaging May Vary
Model
Cellucor C4 Performance Energy Drink | Cosmic Rainbow | Zero Sugar Carbonated Preworkout Energy | 200mg Caffeine with Beta Alanine | 16 Fl Oz (12 Pack), Packaging May Vary
Model
C4 Energy Drinks Variety Pack, Sugar Free Pre Workout Performance Drink With No Artificial Colors or Dyes, Zero Calorie, Coffee Substitute or Alternative, 4 Flavor Variety 12 Pack
Model
C4 Energy Drinks Variety Pack, Sugar Free Pre Workout Performance Drink With No Artificial Colors or Dyes, Zero Calorie, Coffee Substitute or Alternative, 4 Flavor Variety 12 Pack
Model
Cellucor C4 Ultimate | Pre Workout Sugar Free Energy Drink Official Variety Pack | Tri-Stim Experience with 300mg Caffeine + TeaCrine + Dynamine | 16oz (Pack of 12)
Model
Cellucor C4 Ultimate | Pre Workout Sugar Free Energy Drink Official Variety Pack | Tri-Stim Experience with 300mg Caffeine + TeaCrine + Dynamine | 16oz (Pack of 12)
Model
Cellucor C4 Smart Energy Drinks Variety Pack, Sugar Free Performance Fuel & Nootropic Brain Booster, Coffee Substitute or Alternative, 4 Flavor Berry Breeze Variety 12 Pack

Brand

C4
Brand
C4
Brand
C4
Brand
C4
Brand
C4
Brand
C4
Brand
C4

Reviews

65,760 reviews
Reviews
65,760 reviews
Reviews
72,936 reviews
Reviews
72,936 reviews
Reviews
111 reviews
Reviews
111 reviews
Reviews
18,594 reviews

Tech Specs

package dimensions

-
package dimensions
-
package dimensions
9.72 x 7.01 x 6.26 inches 9.88 Pounds
package dimensions
9.72 x 7.01 x 6.26 inches 9.88 Pounds
package dimensions
11.61 x 8.07 x 6.26 inches 1 Pounds
package dimensions
11.61 x 8.07 x 6.26 inches 1 Pounds
package dimensions
10.31 x 7.05 x 6.26 inches 9.9 Pounds

Review

Review Review
-
Review
-
Review
-
Review
-
Review
-

Available On

Available On Available On Available On Available On Available On Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.9
    1
    C4
    16% Off

    Cellucor C4 Performance Energy Drink | Cosmic Rainbow | Zero Sugar Carbonated Preworkout Energy | 200mg Caffeine with Beta Alanine | 16 Fl Oz (12 Pack), Packaging May Vary

    Why we love it

    Explosive energy with 200mg caffeine.
    Delicious Skittles flavor, sugar-free.
    Enhances endurance and hydration.
    Main highlights
    • PACKAGING MAY VARY: Old Flavor Version is "Skittles" and New Flavor Version is "Cosmic Rainbow"
    • NEW Cosmic Rainbow flavor, you get your candy fix with zero sugar, zero carbs, and no artificial colors or dyes. Now that’s a fruity, and delicious way to outperform and overachieve.
    • INCREDIBLE FLAVOR - Enjoy fruity Rainbow Candy flavor with zero sugar or carbs with no artificial colors or dyes.
    • INCREASE REP COUNT and HYDRATION - Formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, studied to support muscular endurance and fight fatigue, and BetaPower Natural Betaine that supports muscle cell hydration and physical performance
    • ENERGY TO OUTPERFORM - Formulated with 200mg Caffeine to support explosive energy and physical performance when you need it most whether it’s in the gym, on the field, in your home, or wherever your fitness journey may take you
  • 9.8
    2
    C4
    20% Off

    Cellucor C4 Performance Energy Drink | Cosmic Rainbow | Zero Sugar Carbonated Preworkout Energy | 200mg Caffeine with Beta Alanine | 16 Fl Oz (12 Pack), Packaging May Vary

    Why we love it

    Explosive energy with 200mg caffeine.
    Delicious Skittles flavor, sugar-free.
    Enhances endurance and hydration.
    Main highlights
    • PACKAGING MAY VARY: Old Flavor Version is "Skittles" and New Flavor Version is "Cosmic Rainbow"
    • NEW Cosmic Rainbow flavor, you get your candy fix with zero sugar, zero carbs, and no artificial colors or dyes. Now that’s a fruity, and delicious way to outperform and overachieve.
    • INCREDIBLE FLAVOR - Enjoy fruity Rainbow Candy flavor with zero sugar or carbs with no artificial colors or dyes.
    • INCREASE REP COUNT and HYDRATION - Formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, studied to support muscular endurance and fight fatigue, and BetaPower Natural Betaine that supports muscle cell hydration and physical performance
    • ENERGY TO OUTPERFORM - Formulated with 200mg Caffeine to support explosive energy and physical performance when you need it most whether it’s in the gym, on the field, in your home, or wherever your fitness journey may take you
  • 9.6
    3
    C4
    11% Off

    C4 Energy Drinks Variety Pack, Sugar Free Pre Workout Performance Drink With No Artificial Colors or Dyes, Zero Calorie, Coffee Substitute or Alternative, 4 Flavor Variety 12 Pack

    Why we love it

    Boosts energy with 150mg caffeine.
    Sugar-free with no artificial colors.
    Supports hydration and endurance.
    Main highlights
    • UNRIVALED FLAVORS: Enjoy an amazing variety of flavors guilt-free with zero sugar or artificial colors.
    • NSF-CERTIFIED FOR SPORT: Tested & certified for professional and collegiate athletes.
    • EXPLOSIVE ENERGY: Elevate energy and performance with 150mg of caffeine.*
    • ENHANCE ENDURANCE: Clinically studied CarnoSyn Beta-Alanine to fight fatigue and power muscular endurance.^*
    • BOOST PERFORMANCE: Clinically studied BetaPower to support muscle cell hydration and physical performance.*

Our ranking system

At bestchoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.

Features

Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
smartphone

Consumer Reviews

We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
checklist

Popularity

Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
smartphone-stars

Value for money

AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
checklist