10 Best Natural Energy Drink Sugar Free in The UK

Last updated on 24/08/2025

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Neutonic Nootropic Productivity Energy Drink | Tropical Ice 12 Cans | 120mg Natural Caffeine, Zero Sugar | Support Energy, Mental Performance, Cognitive Function | Support Focus, Brain Health

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Why We Love It

World's first productivity drink.
Clean, sustained energy boost.
Zero sugar, zero calories.

Main Highlights

Research-Backed Nootropic Ingredients: We've carefully selected a blend of research-backed nootropic ingredients known for their cognitive-enhancing properties. Each ingredient is backed by scientific evidence, ensuring that you receive the most effective and reliable cognitive support.
Supports Cognitive Function: Fuel your focus with this multipack of Neutonic specifically formulated to support and optimise cognitive function. It enhances concentration and mental clarity, empowering you to tackle your tasks with heightened efficiency and accuracy. Unlock your brain's potential and stay in the zone with Neutonic.
120mg Natural Caffeine: Get a clean and sustained energy with our nootropic energy drink made of 120mg of natural caffeine. This optimal dose provides an invigorating kick-start to your day, keeping you alert and focused without the jitters or crash associated with other caffeinated beverages.
Zero Sugar: With no added sugar you can enjoy Neutonic, featuring research-backed ingredients like Caffeine, L-Theanine, and Rhodiola Rosea, without concerns about unwanted calories.
World First Productivity Drink: Neutonic is proud to be the world's first productivity drink. We have revolutionised the concept of energy drinks by combining cutting-edge nootropic ingredients, natural caffeine, and a delicious taste. Experience the future of cognitive enhancement and productivity with Neutonic.

TENZING Natural Energy

TENZING Natural Energy Drink, Plant Based, Vegan, & Gluten Free Drink, Raspberry & Yuzu, 250ml (Pack of 12) - Packaging may vary

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Why We Love It

Natural plant-based ingredients only.
Healthy, vegan, gluten-free energy.
Only 48 calories per can.

Main Highlights

PURELY FROM PLANTS - TENZING Natural Energy Raspberry & Yuzu is a plant-based sparkling drink with natural caffeine, energising Vitamin C and hydrating electrolytes from Himalayan Rock Salt
HEALTHY ALTERNATIVE - Our plant-based drink is a delicious, healthy alternative to traditional energy drinks. We never use anything artificial, our energy comes purely from plants
ONLY 48 CALORIES PER CAN - And with no artificial sweeteners or additives - that's half the calories most traditional energy drinks have!
VEGAN & GLUTEN-FREE - inspired by the naturally energising brew of the Himalayan Sherpas, TENZING's ingredients are purely sourced from nature and contain no animal bi-products or traces of gluten
THE WORLD'S FIRST CARBON NEGATIVE ENERGY DRINK - we are a carbon negative business, which means we offset more carbon dioxide from the atmosphere than we emit

waterdrop® Microenergy Set, Energy Drink, 36 Water Flavouring Hydration Cubes, Blackberry, Mango and Cherry Flavour, Sugar Free, Low Calorie Fizzy Drinks, 90 mg Natural Caffeine, Vitamin C and B

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Why We Love It

Natural energy without crash.
Delicious flavors for everyone.
Eco-friendly and recyclable packaging.

Main Highlights

UNLEASH YOUR POWER: Get ready to power up with our most energizing collection yet – the Energy Booster Collection! Packed with bold flavours and 90mg natural caffeine, this hydration set is designed to give you an instant boost, with the finest of fruit and plant extracts and absolutely no sugar at all.
HOW TO PREPARE: Simply drop the cube into 400-600ml of water, wait for it to dissolve, and enjoy the perfect energy kick anytime, anywhere. Best served chilled for maximum refreshment!
FLAVOUR FOR ALL: Whether it's the tangy tartness of CHERRY, the sweet tropical punch of MANGO or the rich burst of BERRY flavour, each of these three flavours are just as delicious as the other. Further infused with guarana, guayusa and kola nut for that boost of caffeine, discover all three and find your ultimate pick-me-up now!
NATURAL ENERGY & SUGAR-FREE: All of the boost, none of the crash! With natural fruit extracts, zero sugar, and a powerful blend of natural caffeine, each cube keeps you energized throughout the day – without any artificial preservatives whatsoever!
NO SUGAR, LESS PLASTIC: Did you know? Approximately 1.2 million plastic bottles are used every minute and only 9% of them are recycled. Not only are our cubes contained in just a tiny amount of plastic as compared to a typical plastic bottle, they are also recyclable and made from polypropylene – the most environmentally friendly option there is!

Holy Energy HOLY Starter Set Deluxe -, HOLY Iced Tea & HOLY Hydration | 42 portions in 21 fruity flavours | Vegan, sugar-free with 100% natural fruit flavours

Why We Love It

Delicious fruity taste experience.
Quality ingredients, no sugar.
Eco-friendly and sustainable choice.

Main Highlights

🍋 𝗙𝗟𝗔𝗩𝗢𝗨𝗥 - With HOLY you get a fruity, delicious taste with 100% natural flavours & colours.
No bulk – Our soft drinks set new standards in terms of quality: no sugar, no taurine and only high-quality ingredients. HOLY strengthens you with antioxidants and vitamins - sustainable and vegan!
Good for you: Our soft drinks are your faithful companion for every situation: whether you need focus, refreshment or quick hydration after sports.
✔️ Affordable and practical – our powder is delivered to your home in an instant, and available from 80 cents per 0.5 litre drink
Good for the planet – with Holy, you save 90%+ packaging waste and a lot of CO2. Mother Earth says thank you!

Virtue Clean Energy Mixed Pack - 12 x Yerba Mate Natural Energy Drinks - Sugar Free, Zero Calories, Vegan (12 x 250ml) [Strawberry & Lime, Tropical, Peach & Raspberry]

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Why We Love It

Naturally energizing with zero sugar.
Packed with essential vitamins.
Convenient and delicious variety.

Main Highlights

CLEAN ENERGY VARIETY PACK - all natural, sugar free & zero calories energy drinks. Variety pack includes 12 x cans of Virtue (4 x of each flavour: Strawberry & Lime, Tropical, Peach & Raspberry)
SUGAR FREE, ZERO CALORIES, ALL NATURAL ENERGY - a healthy energy drink with zero sugar & zero calories, made with clean ingredients. A delicious clean alternative to traditional energy drinks and coffee, without any jitters or crash
SUPER POWERED BY YERBA MATE - yerba mate is a naturally energising leaf, which has lots of health benefits. It has more antioxidants than green tea, naturally high in caffeine, packed full of essential vitamins & minerals and amino acids
80MG NATURAL CAFFEINE - each can contains the same amount of natural caffeine as the leading energy drink or a cup of coffee (80mg)
NOTHING ARTIFICIAL - we create natural and sugar-free energy drinks. Suitable for vegans, diabetics, keto friendly, gluten-free, dairy-free, soy-free. Made in the UK

SNEAK Energy Drink Starter Pack | 9 Sachets with Monochrome Shaker | No Sugar. No Nasties. Just Natural Caffeine, Focus-Boosting Nootropics

10% Off

Why We Love It

Starter pack with varied flavours.
Enhances concentration, zero sugar.
Unique taste, no artificialities.

Main Highlights

STARTER PACK - Everything you need to get started with Sneak – nine sachets in our favourite flavours, and we'll even throw in our Monochrome Shaker. Flavours may include Blue Raspberry, Breakfast Orange, Cherry Bomb, Electric Mango, Vanilla Shake, Caramel Latte Shake, Cola, Neon Punch, Origins, Peach Iced Tea, Purple Storm, Raspberry Lemonade, Strawberry Watermelon or Tropikilla (flavours will vary).
FUEL DIFFERENT - Our formula is designed to help you do more of what you love for longer. With active ingredients for concentration and focus, and zero sugar for zero crash.
NEXT LEVEL FLAVOUR - Every SNEAK flavour is next-level, but we never use artificial flavours or colourings. That’s what we’re about, and it’s what we do best.
HIGH PERFORMANCE - Fuel your focus with 150mg of caffeine per serving.
SNEAK POWDER - Our powdered energy formula puts you in control. Want to mix flavours and find a unique taste? Embrace those mad scientist vibes.

Perfect caffeine boost.
Healthy vitamins blend.
No added preservatives.

Main Highlights

32 mg/100 ml caffeine
Sugar-Free
Vitamins B2, B3, B5, B6, B12
Contains no preservatives

Dragon Energy Sugar Free Energy Drink 24 x 250ml Cans

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Why We Love It

Boosts performance without extra calories.
Enhances overall health with vitamins.
Promotes sustainability and natural ingredients.

Main Highlights

Go beyond your limits with these tasty energy drinks. Whether you are wanting to complete a gaming marathon or going that extra mile with your workout, this Sugar Free Energy Drink can help boost your performance, without compromising on calories
This energy drink can help boost your immune system, mental well-being and physical performance. They contain vitamins B3,B5,B6 and B13, which can boost your overall health
Unleash your inner dragon with these energy drinks manufactured in the UK. They can help you to be bold, valiant and persevere by bringing out physical as well as spiritual well-being and strength
Kingsley Beverages aim for sustainability. They are committed to using only natural ingredients in their products, with 100% locally sourced sugar, natural flavours and natural colouring's in all products, alongside recyclable packaging
They have strong values, including a natural choice, putting the customer first and having a motivated and streamline ethic. All of this ensures their drinks are sourced ethically and creates the best tasting drinks for you to enjoy

Virtue Yerba Mate - Natural Energy Drink - Sugar Free, Zero Calories, Vegan, Keto Friendly, Gluten Free - 12 x 250ml (Strawberry & Lime)

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Why We Love It

Zero sugar and calories.
Powered by yerba mate.
Natural caffeine source.

Main Highlights

SUGAR FREE, ZERO CALORIES, ALL NATURAL ENERGY - A healthy energy drink with zero sugar & zero calories, made with clean ingredients. A delicious clean alternative to traditional energy drinks and coffee, without any jitters or crash
SUPER POWERED BY YERBA MATE - Yerba mate is a naturally energising leaf, which has lots of health benefits. It has more antioxidants than green tea, naturally high in caffeine, packed full of essential vitamins & minerals and amino acids
80MG NATURAL CAFFEINE - Each can contains the same amount of natural caffeine as the leading energy drink or a cup of coffee (80mg)
NOTHING ARTIFICIAL - We create natural and sugar-free energy drinks. Suitable for vegans, diabetics, keto friendly, gluten-free, dairy-free, soy-free. Made in the UK

Red Bull Energy Drink Sugar Free, 250 ml (Pack of 12)

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Why We Love It

No sugar, just wiiings.
Vitalizes body and mind.
High-quality ingredients used.

Main Highlights

RED BULL GIVES YOU WIIINGS. Inspired by functional drinks from East Asia, Red Bull Energy Drink launched in Austria on April 1, 1987, A unique marketing concept and completely new product category was born – energy drinks
RED BULL ENERGY DRINK – No Sugar, Just Wiiings
VITALIZES BODY AND MIND
HIGH QUALITY INGREDIENTS - Caffeine, Taurine, B-Group vitamins, Sweeteners to provide people with wiiings to make the most of their time and talent
WHEN TO DRINK - Red Bull Energy Drink is appreciated worldwide by top athletes, students, and in highly demanding professions as well as during long drives
PLAYER 2 WANTED From the first level to the last boss, better have a Red Bull by your side when you are playing towards gaming victory
CATCHING A SECOND WIND Everybody needs a little fitness motivation, A can of Red Bull gives you wiiings to reach greater heights

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We scanned 522 products

We reviewed these offers relevant to the Natural Energy Drink Sugar Free within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like neutonic, TENZING Natural Energy, Microdrink, Holy Energy, Virtue, SNEAK, HELL ENERGY, Dragon Energy, Red Bull, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Natural Energy Drink Sugar Free in the market, we considered we took a deep dive into 2611 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Neutonic Nootropic Productivity Energy Drink | Tropical Ice 12 Cans | 120mg Natural Caffeine, Zero Sugar | Support Energy, Mental Performance, Cognitive Function | Support Focus, Brain Health. We love many things about this product by neutonic. What sets it apart from the competition is World's first productivity drink, Clean, sustained energy boost, Zero sugar, zero calories.
The best value product for most shoppers and where user satisfaction is continuously the highest is TENZING Natural Energy Drink, Plant Based, Vegan, & Gluten Free Drink, Raspberry & Yuzu, 250ml (Pack of 12) - Packaging may vary by TENZING Natural Energy based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Natural Energy Drink Sugar Free and the best cost-to-value ratio is Virtue Yerba Mate - Natural Energy Drink - Sugar Free, Zero Calories, Vegan, Keto Friendly, Gluten Free - 12 x 250ml (Strawberry & Lime)at Virtue with a 23% discount.
Our list of the best Natural Energy Drink Sugar Free is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Natural Energy Drink Sugar Free in The UK

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We scanned 522 products

We concluded that: