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Cellucor

C4 Energy® Cereal Killer – Zero Sugar Performance Energy Drink (200mg Caffeine)

200mg Caffeine
🏆
Zero Sugar
NSF Certified
$34.99
200mg Caffeine for Clean, Performance-Level Energy Without the Sugar Crash
CarnoSyn Beta-Alanine to Buffer Lactic Acid and Extend Muscular Endurance
BetaPower Betaine to Support Cellular Hydration and Physical Performance
NSF Certified for Sport - Third-Party Tested and Trusted by Competitive Athletes

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Best energy drink I've ever had. Clean energy, no crash, and the flavor is incredible. Won't drink anything else.

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200MG CLEAN CAFFEINE
NSF CERTIFIED FOR SPORT
ZERO SUGAR FORMULA
CARNOSYN BETA-ALANINE
200MG CLEAN CAFFEINE
NSF CERTIFIED FOR SPORT
ZERO SUGAR FORMULA
CARNOSYN BETA-ALANINE
200MG CLEAN CAFFEINE
NSF CERTIFIED FOR SPORT
ZERO SUGAR FORMULA
CARNOSYN BETA-ALANINE
200MG CLEAN CAFFEINE
NSF CERTIFIED FOR SPORT
ZERO SUGAR FORMULA
CARNOSYN BETA-ALANINE

You'll Love This Drink

You'll Love This Drink

200mg Caffeine, Zero Sugar

Delivers performance-level energy from 200mg caffeine with zero sugar and only 10 calories per 16oz can. No crash, no bloat.

CarnoSyn Beta-Alanine for Endurance

Clinically studied CarnoSyn buffers lactic acid buildup so you push through more reps and longer sets before fatigue hits.

BetaPower Betaine for Hydration

Patented BetaPower betaine supports cellular hydration and physical performance during demanding workouts.

NSF Certified for Sport

Every batch is third-party tested and NSF Certified for Sport, meaning no banned substances. Trusted by competitive athletes.

Energy drink product feature image

Transparency by the numbers

Transparency by the numbers

0mg

Caffeine Per Can

Clean, performance-level energy without overdoing it.

0g

Sugar

Zero sugar, about 10 calories. Fits any macro plan.

0oz

Carbonated Can

Grab-and-go format for the gym, office, or on the road.

* Based on post-purchase surveys and manufacturer data.

C4 Performance Energy Drink Cereal Killer
200MG CLEAN CAFFEINE
NSF CERTIFIED FOR SPORT
ZERO SUGAR FORMULA
CARNOSYN BETA-ALANINE
200MG CLEAN CAFFEINE
NSF CERTIFIED FOR SPORT
ZERO SUGAR FORMULA
CARNOSYN BETA-ALANINE
200MG CLEAN CAFFEINE
NSF CERTIFIED FOR SPORT
ZERO SUGAR FORMULA
CARNOSYN BETA-ALANINE
200MG CLEAN CAFFEINE
NSF CERTIFIED FOR SPORT
ZERO SUGAR FORMULA
CARNOSYN BETA-ALANINE

C4 Cereal Killer Vs. Standard Energy Drink

C4 Cereal Killer Vs. Standard Energy Drink

We only carry brands that meet our strict quality standards. No fillers, no proprietary blends, no shortcuts.

C4 Cereal Killer
CHN Approved
Standard Energy Drink
Convenience Store
Sugar Content
0g sugar, ~10 cal 27-54g sugar
Performance Ingredients
Beta-Alanine + Betaine Caffeine + sugar only
Caffeine Source
200mg clean caffeine Varies, often undisclosed
NSF Certified for Sport
No Artificial Colors

OUR CHAMPIONS

Keep Coming Back

4.85/5 based on 1,649 verified reviews

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Energy Drink FAQs

Got questions? We've got answers — plus free consultations at both Fort Wayne locations.

How much caffeine is in this energy drink? +

Caffeine content varies by brand — check the nutrition label for the exact amount. Most of our energy drinks range from 90mg to 300mg per can. If you're caffeine-sensitive, we also carry lower-caffeine options.

When is the best time to drink an energy drink? +

Energy drinks work great in the morning, before workouts, or whenever you need a quick energy boost. Avoid drinking within 6 hours of bedtime to prevent sleep disruption.

Can I drink more than one energy drink a day? +

For most healthy adults, one to two energy drinks per day is considered safe. Pay attention to total daily caffeine intake from all sources — coffee, tea, and pre-workouts add up fast. Our staff can help you balance your daily intake.

What's the difference between zero-sugar and regular energy drinks? +

Zero-sugar energy drinks use natural or artificial sweeteners to deliver flavor without the calories or sugar crash. Regular energy drinks contain added sugar that can spike your blood sugar and lead to an energy dip later. Most of our customers prefer zero-sugar for clean, sustained energy.

Is it safe to drink an energy drink every day? +

Daily consumption is fine for most healthy adults when kept in moderation. We recommend occasional breaks to maintain caffeine sensitivity. Always stay hydrated and watch your total daily caffeine intake from all sources.

Do you carry caffeine-free or lower-caffeine options? +

Yes! We carry several lower-caffeine and naturally caffeinated energy drinks that deliver flavor and refreshment without high stimulant content. Great if you're sensitive to caffeine or want an option for later in the day. Ask our staff for recommendations.

Energy Drink FAQs
C4 Energy® Cereal Killer – Zero Sugar Performance Energy Drink (200mg Caffeine)
Excellent 4.8 | 1319 reviews

C4 Energy® Cereal Killer – Zero Sugar Performance Energy Drink (200mg Caffeine)

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