Best Zero Carb Energy Drinks of 2026

Ashley Abels Avatar
Ashley Abels
Last Updated: Jan 21, 2026

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Zero Carb Energy Drinks are a popular choice for those looking for a boost of energy without the added calories and sugar. These drinks are designed to provide a quick burst of energy to help individuals power through their day, whether at work or at the gym. The zero carb aspect of these drinks allows individuals to maintain a low-carb diet without sacrificing their need for a pick-me-up. With a variety of flavors and brands to choose from, Zero Carb Energy Drinks are a convenient and effective way to stay energized throughout the day.

At a Glance: Our Top Picks

Cellucor C4 Energy Drink - SKITTLES Cover #TOP 1
Cellucor C4 Energy Drink - SKITTLES
ftb score rating icon 9.9
C4 Smart Energy Drink - Sugar Free Performance Fuel & Nootropic Brain Booster Cover #TOP 2
C4 Smart Energy Drink - Sugar Free Performance Fuel & Nootropic Brain Booster
ftb score rating icon 9.8
Accelerator Energy Drink Variety Pack 12oz (12 cans) Cover #TOP 3
Accelerator Energy Drink Variety Pack 12oz (12 cans)
ftb score rating icon 9.6

Top 3 Zero Carb Energy Drinks

Cellucor C4 Energy Drink - SKITTLES

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Cellucor C4 Energy Drink - SKITTLES Cover
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

Cellucor C4 Energy is designed to give you a burst of energy when you need it most. With 200mg of caffeine, it helps enhance your physical performance, whether you're hitting the gym or playing sports. The inclusion of CarnoSyn Beta-Alanine supports your endurance, allowing you to push through fatigue during intense workouts. Additionally, BetaPower Natural Betaine promotes hydration at the muscle cell level, ensuring you can perform at your best. Plus, with its delicious SKITTLES flavor, you can enjoy an energizing drink without any sugar or artificial additives.

What We Like
Great taste variety
Clean, strong energy boost
Zero sugar formula
No crash or jitters
Convenient 12-pack option
#TOP 2

C4 Smart Energy Drink - Sugar Free Performance Fuel & Nootropic Brain Booster

Clear
C4 Smart Energy Drink - Sugar Free Performance Fuel & Nootropic Brain Booster Cover
Cellucor C4 Smart Energy Drink – Boost Focus and Energy with Zero Sugar, Natural Energy, and Nootropics - 200mg Caffeine - Cherry Berry Lime (12oz Pack of 12)

The C4 Smart Energy Drink is a sugar-free beverage that is perfect for both men and women. It contains 150mg of InnovaTea Naturally Derived Caffeine produced from tea leaves that delivers anytime energy and alertness. It also has Cognizin, a clinically studied form of Citicoline, that helps to support energy centers in the brain as well as cognitive function and health. With zero sugar, zero calories, and zero carbs in every delicious serving, and no artificial colors or dyes, this drink comes in six delicious flavors including Icy Blue Razz, Black Cherry, Cotton Candy, Electric Sour, Freedom Ice, and Peach Mango Nectar.

What We Like
Good energy boost
Great taste
Variety of flavors
No jitters
Long-lasting effects
#TOP 3

Accelerator Energy Drink Variety Pack 12oz (12 cans)

ACCELERATOR
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Variety Pack
12 fl oz (12 pack)
Accelerator Energy Drink Variety Pack 12oz (12 cans) Cover
Accelerator Energy Drink, Variety Pack 12oz can (12 pack), Zero Sugar, Sustained Energy from 100% Natural Caffeine (200mg from Green Coffee Bean & Green Tea extract)

The Accelerator Energy Drink Pack offers twelve 12-ounce cans featuring three popular flavors: Rocket Pop, Cherry Ice Pop, and Tropical Punch. This variety pack is perfect for those who want a sugar-free and carb-free energy boost without artificial additives, supporting a clean and healthy lifestyle. With 200mg of natural caffeine from green coffee bean and green tea extract, it provides steady energy to keep you going during workouts, cardio, or daily activities. Additionally, the blend of green tea extract and capsaicin helps speed up your metabolism, making it a great option if you want to enhance your exercise and weight loss efforts.

What We Like
Sugar-free and carb-free
Natural caffeine source
Metabolism boosting blend
Variety of flavors
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What energy drinks can you drink on keto?

If you're looking for a sweet sugar-free energy drink, consider Rockstar Zero Carb. The fruit punch is refreshing and you don't get that bitter aftertaste like with other keto energy drinks....Rockstar Zero Carb Rockstar Pure. Caffeine.Green tea.Taurine.B vitamins.Sucralose.Sorbic acid.

2. Can you have Monster Zero on keto?

Can You Drink Monster Zero Ultra On The Keto Diet? The Monster Zero Ultra energy drink contains 4 net carbs per one can (16 ounce) serving so it's not very keto-friendly compared to other sugar-free beverages. It is still sweetened by two artificial sweeteners acesulfame potassium and sucralose.

3. Is Red Bull zero keto-friendly?

Red Bull Total Zero Energy Drink is considered as 'Dirty Keto' because it is a low-carb beverage that contains unhealthy ingredients like aspartame, acesulfame K, and sucralose.

Editor's Notes

During our zero carb energy drink research, we found 24 zero carb energy drink products and shortlisted 3 quality products. We collected and analyzed 492,082 customer reviews through our big data system to write the zero carb energy drinks list. We found that most customers choose zero carb energy drinks with an average price of $23.86.

The zero carb energy drinks are available for purchase. We have researched hundreds of brands and picked the top brands of zero carb energy drinks, including Cellucor, ACCELERATOR. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Ashley Abels Avatar

Ashley Abels is a former restaurant executive and has worked in the restaurant industry for 15 years. She is also a gourmet who loves tasting different cuisines and trying out all kinds of cooking methods. The food she writes about will make you want to try it!