10 Best Energy Drinks With 300 Mg Of Caffeine of 2026

Tested and Reviewed: Top 10 Energy Drinks With 300 Mg Of Caffeine deals with expert ratings from 8.1 to a perfect 10

August 2026 Edition

Editor's Choice

9.7

IV FLUID MAX

IV FLUID MAX Electrolytes Powder Packets – 300 mg Caffeine, B Vitamins, Sugar Free Energy Drink & Hydration, Pre-Workout, Recovery, On-the-Go 16 Single-Serve Packets

Editor's bottom line:

“This energy drinks with 300 mg of caffeine is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

BOOST ENERGY & HYDRATION Fuel your endurance and recovery with 300 mg caffeine, B & C vitamins, and electrolytes powder packets for fast hydration that keeps you energized during workouts or busy days.
CONVENIENT ON-THE-GO PACKETS 16 single-serve sticks, 6 Orange, 5 Pineapple, 5 Raspberry. These hydration packets sugar free are easy to mix anywhere for a quick, refreshing 16 fl oz drink.
SUGAR-FREE & LOW-CALORIE Only 10 calories per serving, zero sugar, zero fat, and no artificial colors. Enjoy instant hydration packets that fuel your day without the crash.
ENHANCED FOCUS & ENDURANCE Reduce fatigue, improve concentration, and stay alert with electrolytes sugar free hydration packets designed to keep you performing at your best.
SIMPLE TO USE & VERSATILE Just add water. This electrolyte drink mix is perfect for pre-workout, post-workout, or anytime hydration, keeping you fueled, focused, and unstoppable.

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Picked by 397 people today

Best Value

9.5

Save 14%

C4

C4 Ultimate Zero Sugar Energy Drink, Tri-Stim Experience with 300mg Caffeine + TeaCrine + Dynamine, Fruit Punch, 16oz (Pack of 12)

14% Off

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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9.5

C4

C4 Ultimate Energy Drink, 300mg Caffeine, Zero Sugar, High-Performance Energy for Pre-Workout, Endurance, and Focus, Tropical Tundra Frost, 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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9.2

C4

C4 Ultimate Energy Drink, 300mg Caffeine, Zero Sugar, High-Performance Energy for Pre-Workout, Endurance, and Focus, Sour Blue Razzilla, 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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9.0

C4

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

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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8.8

CELSIUS

CELSIUS ESSENTIALS™ Sparkling Dragonberry, Sugar Free Performance Energy Drink, 16 Fl Oz (Pack of 12)

Main Highlights

Performance energy with 270mg of caffeine to help you LIVE FIT
Formulated for the fitness enthusiasts looking to elevate their performance
Made with premium, proven ingredients like three essential aminos
Unbeatable combination of ingredients that support your physical and cognitive performance
No Sugar

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8.6

Reign

Reign Total Body Fuel, White Gummy Bear, Fitness & Performance Drink, 16 Fl Oz (Pack of 12)

Main Highlights

The ultimate fitness focused beverage, blended with BCAAs, 300 mg of natural caffeine, coq10 and electrolytes, reign total body fuel is designed for your active lifestyle. Offering zero sugar, 10 calories, and zero artificial flavors and colors, reign is the ultimate fitness-focused beverage to support your high-performance needs
White gummy bear, with a desire for pineapple and candy store nostalgia, white gummy bear offers the best of both worlds
Power through your workout, reign total body fuel provides multiple benefits to help you power through a tough workout. 300 mg of natural caffeine provides a pre-workout boost as well as a sustained release of energy throughout your workout. BCAAs may help muscles recover post workout. Coq10 may increase power during exercise. B vitamins may reduce fatigue
Stock up with a 12-pack, for those who rule in the gym and beyond, reign has the fuel for you. Available in a convenient pack of 12, so your wallet doesnt get a workout.

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8.3

Bucked Up

Bucked Up Energy Zero Sugar | 300mg Caffeine Energy Drink with AlphaSize TeaCrine Dynamine and Huperzine A | Zero Sugar Performance Beverage, 12 Pack, 16 fl oz Cans (BKFC Bareknuckle Punch)

Main Highlights

300MG CAFFEINE ENERGY DRINK Each 16 fl oz can delivers 300mg of caffeine in a ready to drink format designed for those seeking a convenient canned energy beverage for training work travel or long days.
ZERO SUGAR BAREKNUCKLE PUNCH FLAVOR Features a bold lemonade and vanilla inspired flavor profile with zero sugar for a distinctive and refreshing carbonated beverage experience in every can.
ADVANCED ENERGY INGREDIENT BLEND Formulated with TeaCrine Dynamine AlphaSize Alpha GPC beta alanine Panax ginseng L theanine N acetyl L tyrosine and Huperzine A for a stacked energy drink formula.
12 PACK READY TO GO CONVENIENCE Includes twelve 16 fl oz cans that are easy to store chill and grab on the go making it simple to keep your favorite Bucked Up Energy flavor stocked and ready.
ZERO SUGAR WITH B VITAMINS Contains zero sugar with Vitamin B6 and Vitamin B12 plus a streamlined nutrition profile offering a practical option for those who prefer a zero sugar energy beverage.

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8.1

C4

C4 Ultimate Energy Drink, 300mg Caffeine, Zero Sugar, High-Performance Energy for Pre-Workout, Endurance, and Focus, Cherry Bomb Frost, 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

Bucked Up

Bucked Up Energy Drink 300mg (Blood Raz) (12 CT)

Main Highlights

300mg Caffeine Per Can: Each 16 oz. can in this 12-pack contains 300mg of caffeine.
Zero Sugar Content: Formulated without sugar for those who prefer or require a sugar-free diet.
Ready-to-Drink Format: Pre-packaged and ready to consume, ideal for on-the-go lifestyles
Standard Can Size: Each can is standard-sized for ease of storage and transport
Long Lasting: Dynamine & TeaCrine to provide longer-lasting, time-released energy.

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Our Best Overall Choice

Best Choice

9.7

IV FLUID MAX

IV FLUID MAX Electrolytes Powder Packets – 300 mg Caffeine, B Vitamins, Sugar Free Energy Drink & Hydration, Pre-Workout, Recovery, On-the-Go 16 Single-Serve Packets

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

BOOST ENERGY & HYDRATION Fuel your endurance and recovery with 300 mg caffeine, B & C vitamins, and electrolytes powder packets for fast hydration that keeps you energized during workouts or busy days.
CONVENIENT ON-THE-GO PACKETS 16 single-serve sticks, 6 Orange, 5 Pineapple, 5 Raspberry. These hydration packets sugar free are easy to mix anywhere for a quick, refreshing 16 fl oz drink.
SUGAR-FREE & LOW-CALORIE Only 10 calories per serving, zero sugar, zero fat, and no artificial colors. Enjoy instant hydration packets that fuel your day without the crash.
ENHANCED FOCUS & ENDURANCE Reduce fatigue, improve concentration, and stay alert with electrolytes sugar free hydration packets designed to keep you performing at your best.
SIMPLE TO USE & VERSATILE Just add water. This electrolyte drink mix is perfect for pre-workout, post-workout, or anytime hydration, keeping you fueled, focused, and unstoppable.

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