10 Best C4 Pre Workout Thermogenic of 2025

Tested and Reviewed: Top 10 C4 Pre Workout Thermogenic deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

C4

Cellucor C4 Sport Pre Workout Powder Watermelon - NSF Certified for Sport + Preworkout Energy Supplement for Men & Women - 135mg Caffeine + Creatine Monohydrate - 30 Servings

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Editor's bottom line:

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

Main Highlights

C4 PRE WORKOUT POWDER FOR MEN & WOMEN - America's Number 1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold* Optimized for exercise to beat your personal best and crush your goals
BUILD MUSCLE & STRENGTH - Formulated with a nitrogen-containing compound designed to build lean muscle mass, maximize performance, and increase strength in all athletes - from pro to everyday
INCREASE REP COUNT - Formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, which has been studied to support muscular endurance and fight fatigue and may cause a harmless tingling sensation
TESTED & TRUSTED BY THIRD PARTIES - Proudly NSF Certified for Sport, an independent certification program recognized by the United States Anti-Doping Agency (USADA), Major League Baseball, the National Hockey League and the Canadian Football League
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Blue Raspberry, Fruit Punch, and Watermelon. Take one serving (1 scoop) of C4 Sport, mixed with 6-8 fl. oz. of water 20 - 30 minutes before training

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Picked by 397 people today

9.5

C4

Cellucor C4 Sport Pre Workout Powder Fruit Punch - NSF Certified for Sport | 30 Servings, Packaging may vary.

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Main Highlights

C4 PRE WORKOUT POWDER FOR MEN & WOMEN - America's Number 1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold* Optimized for exercise to beat your personal best and crush your goals
BUILD MUSCLE & STRENGTH - Formulated with a nitrogen-containing compound designed to build lean muscle mass, maximize performance, and increase strength in all athletes - from pro to everyday
INCREASE REP COUNT - Formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, which has been studied to support muscular endurance and fight fatigue and may cause a harmless tingling sensation
TESTED & TRUSTED BY THIRD PARTIES - Proudly NSF Certified for Sport, an independent certification program recognized by the United States Anti-Doping Agency (USADA), Major League Baseball, the National Hockey League and the Canadian Football League
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Blue Raspberry, Fruit Punch, and Watermelon. Take one serving (1 scoop) of C4 Sport, mixed with 6-8 fl. oz. of water 20 - 30 minutes before training

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9.5

C4

Cellucor C4 Sport Pre Workout Powder Blue Raspberry - Pre Workout Energy with 3g + 135mg Caffeine and Beta-Alanine Performance Blend - NSF Certified for Sport | 30 Servings

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Main Highlights

C4 PRE WORKOUT POWDER FOR MEN & WOMEN - America's Number 1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold* Optimized for exercise to beat your personal best and crush your goals
BUILD MUSCLE & STRENGTH - Formulated with a nitrogen-containing compound designed to build lean muscle mass, maximize performance, and increase strength in all athletes - from pro to everyday
INCREASE REP COUNT - Formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, which has been studied to support muscular endurance and fight fatigue and may cause a harmless tingling sensation
TESTED & TRUSTED BY THIRD PARTIES - Proudly NSF Certified for Sport, an independent certification program recognized by the United States Anti-Doping Agency (USADA), Major League Baseball, the National Hockey League and the Canadian Football League
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Blue Raspberry, Fruit Punch, and Watermelon. Take one serving (1 scoop) of C4 Sport, mixed with 6-8 fl. oz. of water 20 - 30 minutes before training

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9.2

C4

Cellucor C4 Ripped Sport Pre Workout Powder Fat Burner - NSF Certified for Sport + Sugar Free Preworkout Energy Supplement for Men & Women - 135mg Caffeine + Weight Loss - Fruit Punch, 30 Servings

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Main Highlights

C4 PRE WORKOUT POWDER FOR MEN and WOMEN - America's Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold Perform your best - whether its on the field, on the track, or in the gym
INCREASE METABOLISM SUPPORT - Formulated with fat-burning ingredients like CLA and DygloFit to help you train harder. Ripped Sport can be your teammate on the way to shredding up your physique and fitness goals
INCREASE REP COUNT - C4 pre workout for women and men is formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, which has been studied to support muscular endurance and fight fatigue and may cause a harmless tingling sensation
TESTED and TRUSTED BY THIRD PARTIES - Proudly NSF Certified for Sport, an independent certification program recognized by the United States Anti-Doping Agency (USADA), Major League Baseball, the National Hockey League, and the Canadian Football League
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Arctic Snow Cone and Fruit Punch. Take 1 serving of C4 Ripped Sport pre workout mixed with 8 fl. oz. of water, and consume 20 - 30 minutes before training

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9.0

C4

Cellucor C4 Ripped Sport Pre Workout Powder Arctic Snow Cone - NSF Certified for Sport + Sugar Free Preworkout Energy Supplement for Men & Women - 135mg Caffeine + Weight Loss - 30 Servings

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Main Highlights

C4 PRE WORKOUT POWDER FOR MEN & WOMEN - America's Number 1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold* Perform your best - whether its on the field, on the track, or in the gym
INCREASE METABOLISM SUPPORT - Formulated with fat-burning ingredients like CLA and DygloFit to help you train harder and support your body's ability to burn fat. Ripped Sport can be your teammate on the way to shredding up your physique and fitness goals
INCREASE REP COUNT - C4 pre workout for women and men is formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, which has been studied to support muscular endurance and fight fatigue and may cause a harmless tingling sensation
TESTED & TRUSTED BY THIRD PARTIES - Proudly NSF Certified for Sport, an independent certification program recognized by the United States Anti-Doping Agency (USADA), Major League Baseball, the National Hockey League, and the Canadian Football League
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Arctic Snow Cone, Fruit Punch. Take 1 serving of C4 Ripped Sport pre workout mixed with 8 fl. oz. of water, and consume 20 - 30 minutes before training

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8.8

C4

Cellucor C4 Ripped Sport Pre Workout Powder - NSF Certified for Sport - 200mg Caffeine + Cayenne Extract + Carnitine Tartrate + Beta-Alanine - Hawaiian Pineapple, 20 Servings

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Main Highlights

HARD-HITTING ENERGY: Power hard-hitting training sessions with 200mg caffeine.
THERMOGENIC: Feel the burn with Cayenne Extract, L-Carnitine Tartrate, and Bioperine Black Pepper Seed Extract for absorption.*
MUSCULAR ENDURANCE: Fight fatigue with clinically studied CarnoSyn Beta-Alanine^*.
NSF CERTIFIED FOR SPORT: Tested and certified for professional and collegiate athletes
INCREDIBLE FLAVOR: Variety of delicious flavors with ZERO sugar.
Ingredients: This product contains CarnoSyn Beta-Alanine, L-Arginine, BetaPower Betaine Anhydrous, L-Carnitine Tartrate, Cayenne (Capsicum annuum) fruit extract, BioPerine Black Pepper (Piper nigrum) seed extract, Taurine, Caffeine Anhydrous, Toothed Clubmoss (Huperzia serrata) aerial parts extract, Citric Acid, Malic Acid, Silicon Dioxide, Calcium Silicate, Natural and Artificial Flavors, Sucralose, Acesulfame Potassium, and Vegetable Juice (color).

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8.6

C4

Cellucor C4 Ultimate Shred Pre Workout Powder, Fat Burner for Men & Women, Weight Loss Supplement with Ginger Root Extract, Icy Blue Razz, 20 Servings

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Main Highlights

UNLEASH YOUR ULTIMATE WORKOUT - C4 Ultimate Shred is designed to give you the ultimate energy to power through your workout with 300 mg of caffeine.
ULTIMATE METABOLISM BOOST - Experience the ultimate pre-workout with Capsimax Cayenne, a powerful thermogenic ingredient that boosts metabolism.
MAXIMIZE ENDURANCE AND PERFORMANCE - C4 Ultimate Shred helps you power through even the toughest workouts with three forms of Citrulline and CarnoSyn Beta-Alanine, which fights muscular fatigue.
INCREDIBLE FLAVORS - With billions of servings of C4 branded products sold worldwide, the C4 brand sets the standard for great flavors in pre-workout supplements.
ACHIEVE EXTREME DEFINITION - C4 Ultimate Shred's cutting-edge blend of premium ingredients, including 6g of Citrulline Pump Matrix, 3.2g of CarnoSyn Beta-Alanine, and Capsimax Cayenne Extract, helps you chisel your physique and achieve extreme definition.
C4: Backed by 20 years of sports nutrition expertise, weve raised the bar with an innovative selection of supplements.
*Packaging may vary

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8.3

C4

Cellucor C4 Ultimate Shred Pre Workout Powder, Fat Burner for Men & Women, weight Loss Supplement With Ginger Root Extract, Lemon Italian Ice, 20 Servings

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Main Highlights

UNLEASH YOUR ULTIMATE WORKOUT - C4 Ultimate Shred is designed to give you the ultimate energy to power through your workout with 300 mg of caffeine.
ULTIMATE METABOLISM BOOST - Experience the ultimate pre-workout with Capsimax Cayenne, a powerful thermogenic ingredient that boosts metabolism.
MAXIMIZE ENDURANCE AND PERFORMANCE - C4 Ultimate Shred helps you power through even the toughest workouts with three forms of Citrulline and CarnoSyn Beta-Alanine, which fights muscular fatigue.
INCREDIBLE FLAVORS - With billions of servings of C4 branded products sold worldwide, the C4 brand sets the standard for great flavors in pre-workout supplements.
ACHIEVE EXTREME DEFINITION - C4 Ultimate Shred's cutting-edge blend of premium ingredients, including 6g of Citrulline Pump Matrix, 3.2g of CarnoSyn Beta-Alanine, and Capsimax Cayenne Extract, helps you chisel your physique and achieve extreme definition.

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8.1

C4

Cellucor C4 Ultimate Shred Pre Workout Powder, Fat Burner for Men & Women, Weight Loss Supplement with Ginger Root Extract, Strawberry Watermelon, 20 Servings, 12.3 Ounce (Pack of 1)

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Main Highlights

UNVEIL YOUR ULTIMATE: C4 Ultimate Shred packs premium ingredients and a high-intensity formula to deliver explosive energy, pumps, endurance, and focus
Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
CHISEL YOUR PHYSIQUE: C4 Ultimate Shred's cutting edge blend of 6g Citrulline Malate, 3.2g CarnoSyn Beta-Alanine, Caffeine, DygloFit, Capsimax Cayenne Extract, and Bioperine to achieve extreme definition
100% SATISFACTION GUARANTEE: All Cellucor products are thoroughly developed, accurately tested, and proudly manufactured in the United States.
PREMIUM INGREDIENTS: C4 Ultimate Shred contains clinically studied ingredients that have become a revolutionary fat-loss formula. C4 Ultimate Shred contains Citrulline Malate, CarnoSyn Beta-Alanine, Caffeine, Capsimax Cayenne Extract, DygloFit, BetaPower Betaine, Nitrosigine, TeaCrine and other ultimate performance ingredients
UNBEATABLE FLAVORS: Theres a flavor for you. C4 Ultimate Shred is offered in Gummy Candy, Strawberry Watermelon, Icy Blue Razz, and Lemon Italian Ice

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8.1

C4

Cellucor C4 Ripped Pre Workout Powder Raspberry Lemonade | Creatine Free + Sugar Free Preworkout Energy Supplement for Men & Women | 150mg Caffeine + Beta Alanine| 30 Servings (Packaging May Vary)

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Main Highlights

C4 PRE WORKOUT POWDER FOR MEN & WOMEN - America's Favorite Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold Combines the explosive energy of C4 with ingredients specific to fat loss support
CREATINE FREE PRE-WORKOUT - Creatine is essential when you want to put on size; But when you want to cut down, it isnt always ideal; C4 Ripped is formulated to help you push through your toughest workouts and fire up your fat loss
INCREASE REP COUNT - Formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, which has been studied to support muscular endurance and fight fatigue and may cause a harmless tingling sensation
TESTED & TRUSTED BY THIRD PARTIES - Proudly NSF Certified for Sport, an independent certification program recognized by the United States Anti-Doping Agency (USADA), Major League Baseball, the National Hockey League and the Canadian Football League
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Fruit Punch, Icey Blue Razz, Raspberry Lemonade, and Cherry Limeade

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Our Best Overall Choice

Best Choice

9.7

C4

Cellucor C4 Sport Pre Workout Powder Watermelon - NSF Certified for Sport + Preworkout Energy Supplement for Men & Women - 135mg Caffeine + Creatine Monohydrate - 30 Servings

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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 PRE WORKOUT POWDER FOR MEN & WOMEN - America's Number 1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold* Optimized for exercise to beat your personal best and crush your goals
BUILD MUSCLE & STRENGTH - Formulated with a nitrogen-containing compound designed to build lean muscle mass, maximize performance, and increase strength in all athletes - from pro to everyday
INCREASE REP COUNT - Formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, which has been studied to support muscular endurance and fight fatigue and may cause a harmless tingling sensation
TESTED & TRUSTED BY THIRD PARTIES - Proudly NSF Certified for Sport, an independent certification program recognized by the United States Anti-Doping Agency (USADA), Major League Baseball, the National Hockey League and the Canadian Football League
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Blue Raspberry, Fruit Punch, and Watermelon. Take one serving (1 scoop) of C4 Sport, mixed with 6-8 fl. oz. of water 20 - 30 minutes before training

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