10 Best C4 Energy Drink Flavors of 2025

Tested and Reviewed: Top 10 C4 Energy Drink Flavors deals with expert ratings from 8.1 to a perfect 10

June 2026 Edition

Editor's Choice

9.7

Save 7%

C4

C4 Ultimate Sugar Free Energy Drink 16oz (Pack of 12) | Arctic Snow Cone | Pre Workout Performance Drink with No Artificial Colors or Dyes

7% Off

Editor's bottom line:

“This c4 energy drink flavors is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

C4 SUGAR-FREE ENERGY DRINK: America's #1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold*
SUPERCHARGED ENERGY: 300mg of caffeine to keep you rocking and rolling all day (or night).
SUPERBRAIN PERFORMANCE: Stay sharp with clinically studied BrainBerry, Cognizin Citicoline, and other key ingredients.
ZERO SUGAR OR ARTIFICIAL DYES: But no worries, we never compromise on taste!
AMERICAS FASTEST GROWING ENERGY DRINK: What can we say, were the best in the game.

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Picked by 397 people today

Best Value

9.5

Save 11%

C4

Cellucor C4 Smart Energy Drink ‚ Boost Focus and Energy with Zero Sugar, Natural Energy, and Nootropics - 200mg Caffeine - Peach Mango (12oz Pack of 12)

11% Off

Main Highlights

ENERGY TO OVERACHIEVE - Formulated with 200mg of InnovaTea Naturally Derived Caffeine produced from tea leaves that delivers anytime energy and alertness. Conquer any task from work to play, gaming to studying, partying to planning to pre workout
SUGAR-FREE BEVERAGE FOR MEN & WOMEN - Zero sugar, zero calories, and zero carbs in every delicious serving, with no artificial colors or dyes
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Icy Blue Razz, Black Cherry, Strawberry Guava, Tropical Passionfruit, Blood Orange Yuzu, Cherry Berry Lime, Watermelon Burst, and Peach Mango Nectar.
C4 SUGAR-FREE ENERGY DRINK - America's Number 1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold
PACKAGING MAY VARY* - New Look, Same C4 Smart Energy!

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9.5

C4

C4 Smart Energy Drink - Sugar Free Performance Fuel & Nootropic Brain Booster, Coffee Substitute or Alternative | Watermelon Burst 12 Oz - 12 Pack

Main Highlights

ENERGY TO OVERACHIEVE - Formulated with 200mg of InnovaTea Naturally Derived Caffeine produced from tea leaves that delivers anytime energy and alertness. Conquer any task from work to play, gaming to studying, partying to planning to pre workout
SUGAR-FREE BEVERAGE FOR MEN & WOMEN - Zero sugar, zero calories, and zero carbs in every delicious serving, with no artificial colors or dyes
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Icy Blue Razz, Black Cherry, Cotton Candy, Electric Sour, Freedom Ice, and Peach Mango Nectar
PACKAGING MAY VARY* - New Look, Same C4 Smart Energy!

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9.2

Save 5%

C4

Cellucor C4 Smart Energy Drinks Variety Pack, Sugar Free Performance Fuel & Nootropic Brain Booster, Coffee Substitute or Alternative, 4 Flavor Tropical Oasis Variety 12 Pack

5% Off

Main Highlights

ENERGY TO OVERACHIEVE - Formulated with 200mg of InnovaTea Naturally Derived Caffeine produced from tea leaves that delivers anytime energy and alertness. Conquer any task from work to play, gaming to studying, partying to planning to pre workout
SUGAR-FREE BEVERAGE FOR MEN & WOMEN - Zero sugar, zero calories, and zero carbs in every delicious serving, with no artificial colors or dyes
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Each sugar free energy drinks variety pack comes with flavors Tropical Passionfruit, Strawberry Guava, Peach Mango, Blood Orange Yuzu
C4 SUGAR-FREE ENERGY DRINK - America's Number 1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold
PACKAGING MAY VARY* - New Look, Same C4 Smart Energy!

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9.0

C4

C4 Performance Energy Drink, Hawaiian Pineapple Popsicle, Zero Sugar Carbonated Preworkout Energy, 200mg Caffeine with Beta Alanine, 16 Fl Oz (12 Pack)

Main Highlights

NSF-CERTIFIED FOR SPORT: Tested & certified for professional and collegiate athletes
EXPLOSIVE ENERGY: Elevate energy and performance with 200mg of caffeine.*
UNRIVALED FLAVORS: Enjoy an amazing variety of flavors guilt-free with zero sugar or artificial colors
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.*

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8.8

C4

C4 Energy Drink x Popsicle Variety Pack, Carbonated Sugar Free Pre Workout Performance Drink with no Artificial Colors or Dyes, 3 Flavors - Grape, Hawaiian Pineapple, and Cherry, 16 Oz, Pack of 12

Main Highlights

NSF-CERTIFIED FOR SPORT: Tested & certified for professional and collegiate athletes
EXPLOSIVE ENERGY: Elevate energy and performance with 200mg of caffeine.*
UNRIVALED FLAVORS: Enjoy an amazing variety of flavors guilt-free with zero sugar or artificial colors
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.*

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8.6

C4

C4 Energy Carbonated Zero Sugar Energy Drink, Pre Workout Drink + Beta Alanine, Orange Slice, 16 Fl Oz (Pack of 12)

Main Highlights

C4 SUGAR-FREE ENERGY DRINK - America's #1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold*
ENERGY TO OUTPERFORM - Formulated with 200mg Caffeine to support explosive energy and physical performance when you need it most
INCREASE REP COUNT & HYDRATION - Formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, studied to support muscular endurance and fight fatigue, and BetaPower Natural Betaine derived from beets to support hydration and performance
SUGAR-FREE BEVERAGE FOR MEN & WOMEN - Zero sugar, zero calories, and zero carbs in every delicious serving, with no artificial colors or dyes
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Cotton Candy, Strawberry Watermelon Ice, Cherry Limade, Tropical Blast, Orange Slice, Twisted Limeade, Sour Batch Bros, Frozen Bombsicle, Purple Frost, and Midnight Cherry

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8.3

C4

C4 Ultimate Energy Drink, 300mg Caffeine, Zero Sugar, High-Performance Energy for Pre-Workout, Endurance, and Focus, Frozen Bombsicle, 16oz (Pack of 12)

Main Highlights

NEW LOOK & FEEL: Redesigned for a smoother experience.
ANY TIME ENERGY: Elevate energy and performance with 300mg of caffeine*.
LOCKED IN FOCUS: Stay sharp, alert, and ready for anything*.
UNRIVALED FLAVORS: Enjoy a variety of flavors guilt-free with zero sugar or artificial colors.
KEY NUTRIENTS: Loaded with Vitamin B12 to support energy metabolism.*

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8.1

Save 9%

C4

C4 Energy & Smart 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

9% Off

Main Highlights

C4 SUGAR-FREE ENERGY DRINK - America's Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold
C4 SMART ENERGY DRINK - Formulated with 200mg of InnovaTea Naturally Derived Caffeine produced from tea leaves that delivers anytime energy and alertness. Conquer any task from work to play, gaming to studying, partying to planning to pre workout.
C4 ENERGY PERFORMANCE DRINK - Formulated with 150mg Caffeine to support explosive energy and physical performance when you need it most whether its in the gym, on the field, in your home, or wherever your fitness journey may take you
SUGAR-FREE BEVERAGE FOR MEN and WOMEN - Zero sugar and zero carbs in every delicious serving with no artificial colors or dyes
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Starburst, Skittles, Hawaiian Punch, Frozen Bombsicle, Orange Slice, Strawberry Watermelon Ice, and more

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8.1

C4

C4 Energy Non-Carbonated Zero Sugar Energy Drink, Pre Workout Drink + Beta Alanine, Icy Blue Razz, 12 Fl Oz (Pack of 12)

Main Highlights

A LEGACY OF EXCELLENCE - We've been pioneering, building, and perfecting pre-workouts longer than most brands have been in sports nutrition
GREAT TASTE & ZERO SUGAR - C4 Original on the go packs 200mg caffeine and CarnoSyn Beta-Alanine to boost energy in convenient portable packaging
CLINICALLY STUDIED, PATENDED INGREDIENTS - C4 Original on the go contains an explosive energy blend, including CarnoSyn Beta Alanine, N-acetyl L-Tyrosine, and Arginine Nitrate to create a clean, refreshing energy drink

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Our Best Overall Choice

Best Choice

9.7

C4

C4 Ultimate Sugar Free Energy Drink 16oz (Pack of 12) | Arctic Snow Cone | Pre Workout Performance Drink with No Artificial Colors or Dyes

7% Off

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

C4 SUGAR-FREE ENERGY DRINK: America's #1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold*
SUPERCHARGED ENERGY: 300mg of caffeine to keep you rocking and rolling all day (or night).
SUPERBRAIN PERFORMANCE: Stay sharp with clinically studied BrainBerry, Cognizin Citicoline, and other key ingredients.
ZERO SUGAR OR ARTIFICIAL DYES: But no worries, we never compromise on taste!
AMERICAS FASTEST GROWING ENERGY DRINK: What can we say, were the best in the game.

Show Price

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