10 Best Energy Drinks Under 100 Mg Of Caffeine of 2025

Tested and Reviewed: Top 10 Energy Drinks Under 100 Mg Of Caffeine deals with expert ratings from 8.1 to a perfect 10

April 2026 Edition

Editor's Choice

9.7

Let'z Go!

Let'z Go Clean Energy Drink Mix – Natural Caffeine Packets, Vitamins C + D, Electrolytes, Sugar-Free, Zero Calories | Anytime Energy | 15 Count (Mixed Berry)

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Editor's bottom line:

“This energy drinks under 100 mg of caffeine is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

ENERGY + HYDRATION - Letz Go Boost is a delicious, refreshing natural energy drink mix designed to give you a boost of energy, nutrition, and hydration. Start your day with natural caffeine, high Vitamin C and D, antioxidants, and electrolytes with no sugar or calories. Made with premium, natural ingredients.
ALL NATURAL - Made with 100mg of natural, organic caffeine (same as a cup of coffee) sourced from pure green tea. 100% Vitamin C and D, plus antioxidants and electrolytes for a boost of immune support and natural hydration. Naturally sweetened with pure Stevia leaf with no aftertaste. Absolutely No artificial ingredients, colors, dyes, or preservatives. Letz Go Boost is your go-to performance drink, perfect for any diet or fitness routine whether you're looking to lose weight, cut back on sugar,
NO SUGAR, NO CALORIES, DELICIOUS FLAVOR - Available in three great-tasting natural fruit flavors: Orange Citrus ,Mixed Berry & Watermelon. Letz Go Boost is a natural, refreshing way to get a boost of energy and essential daily nutrition without the sugar, calories or added junk. Forget the sugary energy drinks, coffees, or sports beverages.....get your daily energy and hydration with the natural, delicious taste of Letz Go Boost.
ANYTIME ENERGY - Perfect for a Morning wake up boost, an Afternoon pick-me-up, a Workout boost, or a Travel or Jet Lag boost. Great for On-the-Go, at the gym, for study fuel, or whenever you need a boost!
EASY & CONVENIENT - Each single serving packet is super easy for you to enjoy, whether you're On-the-Go, at work, at home, at school, at the gym, or travelling. Just add one stick pack to 16oz of water, stir or shake, and enjoy! Tastes great in smoothies, juice, sparkling or bottled water, or even in cocktails. Now Letz Go!

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Picked by 397 people today

9.5

ARDOR

ARDOR ENERGY Natural Sparkling Energy Drink with 100mg Natural Caffeine & 200mg L-Theanine from Organic Green Tea for Smooth Energy & Focus | Healthy Energy Drink | Made with Real Fruit Juice | No Artificial Sweeteners, Just 50 calories, Vegan, Gluten-Free | Variety Sampler (Pack of 6, 12oz cans)

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Main Highlights

Better for You Energy Drink with Caffeine + L-theanine for Energy & Focus: Certified Organic and made with 100mg of natural caffeine + 200mg L-Theanine extracted from premium green tea leaves to sharpen focus & boost energy. The 2:1 ratio of L-theanine to caffeine supports focus and alertness while eliminating the jitters and anxiety sometimes associated with caffeine.
Super-Premium Natural Caffeine For a Smooth Boost: Instead of synthetic anhydrous caffeine which peaks for a short period of time then crashes, Ardor Energy uses natural caffeine from organic green tea leaves that your body can process, delivering a smooth, strong and sustained boost of energy.
Made with Clean Ingredients: A clean, refreshing sparkling plant-powered energy boost simple ingredients you can recognize, only 4g added sugar and a touch of monkfruit for sweetness. No artificial flavors, dyes or sweeteners.
Free of All Artificial Sweeteners: Ardor Energy is made without sucralose, aspartame, acesulfame or erythritol.
L-Theanine for Focus and Calm Energy: 200mg Organic L-Theanine, an amino acid naturally found in Organic Green Tea, has been and shown to improve mental focus, sleep quality, relaxation, increase cognitive performance. Combined with caffeine, you get a calm energy boost without the crash or the jitters.
Healthy Energy Drinks: Ardor is function and fizz! Kick candy-flavored, artificially colored energy drinks to the curb! Whether youre craving a healthy alternative to sugary drinks & sodas, a replacement for coffee, a clean pre-workout boost, or simply a refreshing beverage, Ardor Energy delivers.
Naturally Flavored: Ardor Energy just bright and sparkling and mouthwatering. We use real fruit juice to give our drinks a bright flavor, like your favorite sparkling juices.
Natural Alternative to Coffee & Tea: Beat the afternoon slump. Ardor Energy balances stimulation with relaxation perfect for creatives, professionals, students, or anyone who needs to stay sharp without the crash.
Grab & Go Energy: Comes in cases of 12 cans of Black Cherry. Ardor Energy comes in sleek 12 fl oz cans, so you can stay energized and focused wherever life takes you at the gym, in meetings, on campus, or on weekend adventures.
Crafted for Every Lifestyle: Upgrade your energy drink game whether youre vegan, keto, gluten-free, or just ingredient-conscious Ardor is made to support your health goals while fueling your goals.

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9.5

Optimum Nutrition

Optimum Nutrition Amino Energy Sparkling Hydration Drink, Electrolytes, Caffeine, Amino Acids, BCAAs, Sugar Free, 12 Fl Oz, Variety Pack of 12 (Packaging May Vary)

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Main Highlights

Energy and Hydration: A refreshing blend of 100mg of caffeine from natural sources plus electrolytes for hydration
ZERO sugar and LOW calorie. Only 5 calories per serving
5 grams of amino acids per serving for recovery. Optimal energy drink before exercise or use as an anytime energy boost
On-the-go and ready-to-drink aminos and electrolytes to support an active lifestyle
Optimum Nutrition is the World's #1 Sports Nutrition Brand. Banned substance tested - Highest quality control measures so you feel comfortable and safe consuming the product

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9.2

Optimum Nutrition

Optimum Nutrition Amino Energy Sparkling Hydration Drink, Electrolytes, Caffeine, Amino Acids, BCAAs, Sugar Free, Blueberry Lemonade, 12 Fl Oz, 12 Pack (Packaging May Vary)

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Main Highlights

Energy + Hydration: A refreshing blend of 100mg of caffeine from natural sources plus electrolytes for hydration
ZERO sugar and LOW calorie. Only 5 calories per serving
5 grams of amino acids per serving for recovery
On-the-go and lightly carbonated sparkling hydration energy drink; 9 refreshing flavors: Blueberry Lemonade, Juicy Strawberry, Watermelon, Grape, Juicy Cherry, Mango Pineapple Limeade, Orange Blast, Peach Bellini, and Green Apple
Its everything you need to show up for what matters to you

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9.0

PRIME HYDRATION

PRIME Energy ORIGINAL, Sugar Free Energy Drink, 200mg Caffeine and 355mg of Electrolytes for Hydration, Low Calorie, Vegan, Gluten Free, 16 Fluid Ounce, 12 Pack

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Main Highlights

FUNCTIONAL ENERGY DRINK: PRIME was designed to deliver great-tasting Hydration and Energy drinks that fuel every lifestyle. PRIME Energy contains zero sugar, only 15 calories or less, and 355mg of electrolytes to give you all the benefits of a traditional energy drink without the crash or jitters.
HYDRATE WITH ELECTROLYTES: 355mg of electrolytes and vitamins B12 and B6 provide the ultimate natural boost for workouts, games, late nights, and anything in between.
NO ARTIFICIAL COLORS OR FLAVORS: PRIME Energy delivers clean, effective, sugar free energy with 200mg of caffeine, no artificial colors, or gluten, perfect for the gym or on the go.
ICONIC FLAVORS, LEGENDARY RECOVERY: With bold, all-natural flavors, PRIME delivers a thirst-quenching boost that turns every flavor into a staple in your beverage rotation. Original sparks zesty lime with pink grapefruit for an iconic PRIME combo.
PRIME ENERGY: PRIME Energy combines the ingredients you want with the flavors you love to energize you with every sip. PRIME Energy cans provide a caffeine boost, where PRIME Hydration bottles are a hydration sports drink with no caffeine. PRIME Energy is not suitable for children, those sensitive to caffeine, and pregnant or nursing individuals.

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8.8

Liquid Death

Liquid Death Sparkling Energy - Scary Strawberry, Zero Sugar Energy Drink, Unextreme Caffeine 100mg, Essential Vitamins, 12 Fl Oz (Pack of 12)

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Main Highlights

The Easy-Drinking Energy Drink
Unextreme Caffeine (100mg) = 1 Coffee
Zero sugar | 5 Calories
Boosts Metabolism
Essential Vitamins + L-Theanine
No Aspartame | No Taurine
No Artificial Colors or Dyes
Co-Formulated by Board-Certified Surgeon Dr. Darshan Shah, MD
Strawberry Flavor with a Hint of Lemon

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8.6

Liquid Death

Liquid Death Sparkling Energy - Orange Horror (Orange and Cream), Zero Sugar Energy Drink, Unextreme Caffeine 100mg, Essential Vitamins, 12 Fl Oz (Pack of 12)

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Main Highlights

The Easy-Drinking Energy Drink
Unextreme Caffeine (100mg) = 1 Coffee
Zero sugar | 5 Calories
Boosts Metabolism
Essential Vitamins + L-Theanine
No Aspartame | No Taurine
No Artificial Colors or Dyes
Co-Formulated by Board-Certified Surgeon Dr. Darshan Shah, MD
Orange Flavor with a Hint of Orange Cream

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8.3

Pureboost

Pureboost Clean Energy Booster, Refreshing Energy Drink Mix with B12 Vitamins, Electrolytes, Antioxidants, Sugar-Free with No Sucralose (Combo Pack, 10 Count)

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Main Highlights

365-DAY GUARANTEE, HASSLE-FREE: Not satisfied? Weve got you covered! Because were a grocery item, you cant return directly to Amazon (becauserules.) Contact us directly and well take care of you.
POWERED BY B12 & GREEN TEA: 100 mg of natural green tea caffeine combined with B12 for a sustained, powerful energy boost.* Skip the jitters and crashesPureboost is designed to keep you going and feeling good.
CLEANER ENERGY, HEALTHIER YOU: Our sugar-free, sucralose-free mix delivers a delicious healthy boostno artificial flavors, colors, or GMOs. Naturally sweetened.
SUPERCHARGED FORMULA: Each packet is a powerhouse of 25 vitamins, minerals and herbs like Turmeric, Ginger, Vitamin C and Zinc plus electrolytes. Stay hydrated and energized while supporting your immune system.
CONVENIENT & COMPATIBLE: Includes 10 easy-to-use powder packets. Mix with 16-20 oz of water for a refreshing, energizing boost. Perfect for keto, low-carb, paleo, gluten-free and vegan lifestyles. Non-GMO, soy-free, and dairy-free.

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8.1

Raised

Raised Energy+ Nootropic Drink Mix | 200mg Natural Caffeine + L-Theanine | Zero Sugar | Clean Energy Powder for Focus, Mood & Motivation | 15 Stick Packs | Passion Fruit Flavor

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Main Highlights

Clean Energy with Natural Caffeine 200mg of caffeine from green tea provides smooth, sustained energy without the jitters or crash of synthetic energy drinks.
Nootropics for Focus & Cognitive Support Features 1000mg N-Acetyl L-Tyrosine, 400mg L-Theanine, and 400mg Alpha GPC to enhance focus, mental clarity, and brain performance.
Adaptogens for Mood & Stress Support Includes 200mg Rhodiola Rosea and 100mg Ginseng to help your body manage stress, improve stamina, and support a positive mood.
Naturally Sweetened, No Sugar Sweetened with monk fruit and stevia. Zero sugar, zero artificial sweeteners, and no synthetic additivesjust clean performance fuel.
On-the-Go Performance Boost Perfect for work, workouts, or creative flow. Each stick supports energy, clarity, and motivationwherever your day takes you.

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8.1

ZERO FG

ZERO FG Sugar Free Energy Drink, Watermelon, 140mg Natural Caffeine, Taurine, B-Vitamins, L-Carnitine, No Sugar, No Artificial Colors or Flavors, 12 fl oz (12 Pack)

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Main Highlights

CLEAN ENERGY FOR ANY TASK: Packed with 140mg of natural caffeine; boosts energy levels for workouts, fitness routines, or long hours; with zero artificial colors or flavors.
PERFORMANCE-ENHANCING FORMULA: Features B-vitamins (B3, B5, B6, B12), taurine, and L-carnitine; these ingredients work together to improve focus, stamina, and endurance during demanding tasks.
REFRESHING WATERMELON FLAVOR: A sweet and refreshing watermelon flavor; designed to fuel your day without the crash.
ZERO SUGAR, ZERO EXCUSES: Ideal for keto, vegan, and low-calorie diets; supports a healthy active lifestyle while delivering the energy you need to power through your grind.
MADE FOR THE ACTIVE AND DRIVEN: Whether hitting the gym, working late, or adventuring, Zero FG helps you stay focused, energized, and productive, no matter the task.

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Our Best Overall Choice

Best Choice

9.7

Let'z Go!

Let'z Go Clean Energy Drink Mix – Natural Caffeine Packets, Vitamins C + D, Electrolytes, Sugar-Free, Zero Calories | Anytime Energy | 15 Count (Mixed Berry)

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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

ENERGY + HYDRATION - Letz Go Boost is a delicious, refreshing natural energy drink mix designed to give you a boost of energy, nutrition, and hydration. Start your day with natural caffeine, high Vitamin C and D, antioxidants, and electrolytes with no sugar or calories. Made with premium, natural ingredients.
ALL NATURAL - Made with 100mg of natural, organic caffeine (same as a cup of coffee) sourced from pure green tea. 100% Vitamin C and D, plus antioxidants and electrolytes for a boost of immune support and natural hydration. Naturally sweetened with pure Stevia leaf with no aftertaste. Absolutely No artificial ingredients, colors, dyes, or preservatives. Letz Go Boost is your go-to performance drink, perfect for any diet or fitness routine whether you're looking to lose weight, cut back on sugar,
NO SUGAR, NO CALORIES, DELICIOUS FLAVOR - Available in three great-tasting natural fruit flavors: Orange Citrus ,Mixed Berry & Watermelon. Letz Go Boost is a natural, refreshing way to get a boost of energy and essential daily nutrition without the sugar, calories or added junk. Forget the sugary energy drinks, coffees, or sports beverages.....get your daily energy and hydration with the natural, delicious taste of Letz Go Boost.
ANYTIME ENERGY - Perfect for a Morning wake up boost, an Afternoon pick-me-up, a Workout boost, or a Travel or Jet Lag boost. Great for On-the-Go, at the gym, for study fuel, or whenever you need a boost!
EASY & CONVENIENT - Each single serving packet is super easy for you to enjoy, whether you're On-the-Go, at work, at home, at school, at the gym, or travelling. Just add one stick pack to 16oz of water, stir or shake, and enjoy! Tastes great in smoothies, juice, sparkling or bottled water, or even in cocktails. Now Letz Go!

Show Price

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