10 Best Low Calorie Tonic Water in The UK

Last updated on 04/07/2025

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Best Choice

9.8

Exceptional

Britvic

Britvic Indian Tonic Water - Low Calorie Drink - Pack of 24 x 200ml

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Why We Love It

High-quality ingredients, low calorie.
Flourishes the senses.
Perfect to share.

Main Highlights

HIGH-QUALITY INGREDIENTS - Britvic Indian Tonic Water is a refreshing carbonated low calorie soft drink with quinine
DELICIOUS FLAVOUR - Flourishes the senses
ENJOY ANYWHERE - Can be enjoyed in pubs, bars, leisure centres, and theme parks
PERFECT TO SHARE - Enjoy with your friends and family
HOW TO SERVE - Best served in a tall glass, over plenty of ice

Schweppes Slimline Tonic | 1l x 12

The Artisan Drinks Company

Skinny London Tonic Water by The Artisan Drinks Company - 200mlx24 Cans - Natural Ingredients - 34 Calories per can - Premium Gin and Tonic Mixer - Perfect for Gin

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Why We Love It

Great natural ingredients used.
Elegant and recyclable can.
Created by spirits expert.

Main Highlights

Unique Recipe - Our Skinny London Tonic Water is made using a natural blend of aromatic botanicals, orange and lemon, combined with a low amount of fruit sugar to balance the quinine's crispness.
Low in Calories - Skinny London Tonic Water is light and refreshing, providing naturally less sweet tonic water for gin or as a standalone fizzy drink. A delightful slimline tonic water alternative.
Born in a Bar – All of Artisan’s innovative recipes are created by spirits expert & Artisan Drinks co-founder Mikey Enright owner, of The Barber Shop Sydney – voted world’s best gin bar.
Size is Everything - 150ml 'airline size' tonic water cans hold insufficient liquid for a perfect serve. Artisan 200ml cans are bigger & better - a must-have when thinking of gin and tonic cans.
Natural Ingredients - Natural ingredients are combined to create the perfect premium mixer. The Artisan Drinks Co. take time to craft the perfect spirit mixer.
Portable & Chillable - Aluminium tonic water cans are lightweight and chill quickly. Perfect for enjoying your fizzy drinks at home, parties, events, the beach & picnics!

Green Tonic Water Cans 24 Pack, Slimline Tonic, No Aspartame, No Sugar, No Calories, Tonic Water for Gin and Mixer - Bulk Pack of 24 Cans x 330 ml(packaging may vary)

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Why We Love It

Zero calorie indulgence.
No artificial nasties.
Perfect mixer size.

Main Highlights

GREEN TONIC WATER: Green Tonic is a crisp and refreshing tonic water, perfect for pairing with gin or as a versatile mixer for a variety of drinks.
LOW CALORIE: Enjoy a light and refreshing taste, sweetened naturally with stevia. A perfect low-calorie alternative to traditional tonic waters.
ZERO SUGAR: With no carbs, no sugar, and zero calories, this slimline tonic is an excellent choice for diabetics, those following keto, or anyone seeking a healthier mixer option.
NO NASTIES: Made without aspartame, preservatives, or phosphoric acid, Green Tonic delivers a clean and refreshing taste you’ll love.
24 CANS: Each sleek 330ml can is ideal for sharing or enjoying as a long drink. Keep your cupboard stocked with this 24-can pack, so you’re always ready to elevate your cocktails or enjoy a crisp mixer with your favourite gin.
Packaging may vary

Fentimans Elderflower and Rose Tonic Water - Botanically Brewed Water - Infused with Fresh Elderflowers and Rose - Low Calorie, Gluten Free and Vegan Friendly Soft Drinks - 8 x 500ml

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Why We Love It

Botanically brewed for exceptional taste.
Natural ingredients, quality assured.
Perfect mixer for premium spirits.

Main Highlights

🌱 BOTANICALLY BREWED - This delicious floral and aromatic tonic is a match made in heaven. A fragrant rose is perfectly balanced with delicate elderflower notes. The finish is quite refreshing and slightly sharp from the addition of quinine.
🌱 NATURAL INGREDIENTS - Our botanical brewing process often involves a method of extracting flavors from herbs, roots, and other natural ingredients, Fentimans tonic water is made with care and attention to quality.
🌱 GLUTEN FREE - Fentimans Elderflower and Rose Tonic Water caters to individuals with specific dietary preferences or restrictions, ensuring that those with dietary concerns can enjoy the tonic without compromise
🌱 NO ADDITIVES - Fentimans tonic water contains no artificial flavours, preservatives, colours, or sweeteners. Reassuring those who are seeking a more natural and authentic beverage, free from synthetic additives.
🌱 PERFECT MIXER - As a premium tonic water, it is specifically designed to elevate the experience of spirits such as gin, vodka, and spritzers. An ideal companion for premium spirits.

Fever-Tree Refreshingly Light Indian Tonic Water, 150ml, 8 Count (Pack of 3) (Total 24 cans)

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Why We Love It

50% fewer calories tonic.
Finest naturally sourced ingredients.
Pairs perfectly with gins.

Main Highlights

THIS PACK CONTAINS 24x150ml cans of Fever-Tree Refreshingly Light Indian Tonic Water. Each can contains 15 kcal per 100ml & 50% fewer calories than our Premium Indian Tonic Water.
FEVER-TREE REFRESHINGLY LIGHT INDIAN TONIC WATER is made using the finest naturally sourced ingredients and contains no artificial sweeteners or colours. It is a blend of subtle botanical flavours with spring water and the highest-quality quinine which gives it the distinctively clean, crisp character of Indian Tonic Water, but lower in calories.
FEVER-TREE REFRESHINGLY LIGHT TONIC WATER pairs perfectly all with classic London Dry gins.
FEVER-TREE began in 2003 when Charles and Tim set out to put quality back into mixers using only the highest quality ingredients. This mindset led them on an 18-month adventure from the archives of the British Library to the Democratic Republic of Congo in pursuit of the best naturally sourced ingredients, because after all…
IF ¾ OF YOUR DRINK IS THE MIXER, MIX WITH THE BEST

DOUBLE DUTCH Skinny Tonic Water (24 x 150ml Cans) - Low Calorie, Diet Tonic Water for Gin and Cocktails |Gluten Free, Vegan Friendly Soft Drink Perfect Mixer

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Why We Love It

Subtle finish of juniper berries.
Perfect with heavy gins.
Low in sugar.

Main Highlights

𝗡𝗘𝗩𝗘𝗥 𝗗𝗥𝗜𝗡𝗞 𝗗𝗨𝗟𝗟 - We believe every drink should be savoured which is why we produced our tonics and mixers with flavour pairing at the heart of each creation.
𝗡𝗘𝗩𝗘𝗥 𝗗𝗥𝗜𝗡𝗞 𝗗𝗨𝗟𝗟 - We believe every drink should be savoured which is why we produced our tonics and mixers with flavour pairing at the heart of each creation.
𝗡𝗢 𝗔𝗥𝗧𝗜𝗙𝗜𝗖𝗜𝗔𝗟 𝗜𝗡𝗚𝗥𝗘𝗗𝗜𝗘𝗡𝗧𝗦 – Each can is made entirely without artificial flavours, colours and preservatives. Double Dutch is much more than double the taste sensation, it’s a whole new world of soft drinks.
𝗣𝗘𝗥𝗙𝗘𝗖𝗧 𝗙𝗢𝗥 𝗖𝗢𝗖𝗞𝗧𝗔𝗜𝗟𝗦 - It’s a smooth operator performing superbly in a G&T, garnished with a wedge of grapefruit, but also pairing beautifully with vermouth, vodka and even blanco tequila.
𝗗𝗢𝗨𝗕𝗟𝗘 𝗗𝗨𝗖𝗧𝗛 𝗣𝗛𝗜𝗟𝗢𝗦𝗢𝗣𝗛𝗬 - Our Founders Joyce & Raissa were born in the Netherlands, the birthplace of gin. Realising that a flavourful drink relies on the mixer as much as it does the alcohol, they took it upon ourselves to create a range of versatile mixers with new and unpredictable flavour pairings.

Dash Water Lime - 12 x Lime Flavoured Sparkling Spring Water - NO Sugar, NO Sweetener, NO Calories - Infused with Wonky Fruit (12 x 330ml cans)

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Why We Love It

Refreshing lime infused taste.
A guilt-free fizzy drink.
Supports climate change initiatives.

Main Highlights

LIME FLAVOUR - Our Sparkling Spring Water is infused with wonky Limes for a zesty dash of flavour
HEALTHY ALTERNATIVE – Our sparkling water is the perfect healthy alternative to traditional fizzy drinks: they taste delicious, yet don't include any sugar, sweeteners or calories. Finally, a drink to feel good about
NATURALLY DELICIOUS – Pure Spring Water. Bubbles. Wonky* Fruit
NO CALORIES – NO SUGAR - NO SWEETENERS
OUR MISSION – DASH is at the forefront of the new wave of healthy soft drinks. By accepting the misfits we are helping to fight food waste
B-CORP AND PROUD – DASH is a proud B-Corporation, and is ClimatePartner Certified. This shows our commitment to reducing greenhouse gas emissions, along with supporting climate projects.

DOUBLE DUTCH Exploration Pack with Variety of World Class Mixers (10 x 200ml Bottles) - Low Calorie, Diet Tonic Water for Gin, Tequila, Vodka, Rum, Cocktails | Vegan Friendly Soft Drink Perfect Mixer

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Why We Love It

Natural, high-quality ingredients only.
Unique and delicious flavour pairings.
Perfect for creative cocktails.

Main Highlights

𝗢𝗨𝗥 𝗘𝗫𝗣𝗟𝗢𝗥𝗔𝗧𝗜𝗢𝗡 𝗣𝗔𝗖𝗞 - is the ultimate way to get to know the Double Dutch range! Packed full of flavour, the case of 10 mixers and tonics is the perfect party starter. Mix with gin, rum, tequila or whisky for delicious cocktail creations in minutes.
𝗪𝗛𝗔𝗧 𝗬𝗢𝗨'𝗟𝗟 𝗚𝗘𝗧 – A 10-bottle exploration pack featuring Indian Tonic Water, Skinny Tonic Water, Cucumber & Watermelon, Pink Grapefruit, Ginger Ale, Ginger Beer, Double Lemon, Cranberry & Ginger, Pomegranate & Basil, and Cucumber Margarita with Chilli Soda.
𝗣𝗘𝗥𝗙𝗘𝗖𝗧 𝗠𝗜𝗫𝗘𝗗 𝗢𝗥 𝗢𝗡 𝗜𝗧𝗦 𝗢𝗪𝗡 - Expertly balanced to complement your favourite spirit, elevate cocktails, or deliver peak refreshment all on its own – straight from the can, no extras needed - okay, a little ice never hurt.
𝗗𝗢𝗨𝗕𝗟𝗘 𝗗𝗨𝗧𝗖𝗛 𝗧𝗪𝗜𝗡 & 𝗧𝗢𝗡𝗜𝗖𝗦 - Born in the Netherlands – the home of gin – our twin founders, Joyce and Raissa knew a great drink is only as good as its mixer. So they set out to create bold, unexpected flavour pairings that don’t just complement your drink – they define it!
𝗪𝗘'𝗥𝗘 𝗔 𝗣𝗥𝗢𝗨𝗗 𝗕𝗖𝗢𝗥𝗣 - As a certified B Corp, we’re committed to doing business for good – from partnering with ClimatePartner on carbon reduction to sourcing responsibly and supporting social impact initiatives.

Natural ingredients ensure quality.
Crisp taste enhances drinks beautifully.
Perfect for cocktails and mixers.

Main Highlights

EDEN BAY PREMIUM INDIAN TONIC WATER is made using the finest naturally sourced ingredients and contains no artificial sweeteners or colours.
NO ARTIFICIAL INGREDIENTS, EDEN BAY PREMIUM INDIAN TONIC WATER is crafted with a delicate fusion of botanical flavours, pure spring water, and the finest quinine, this exceptional tonic water captures the unmistakable essence of Indian Tonic, while being only 21 Kcal per 100ml.
A REFRESHING CLEAN AND IRRESISTIBLY CRISP TASTE with notes of Sicilian Lemon, Bitter Orange and Thyme.
PERFECT FOR COCKTAILS or in a G&T, garnished with a wedge of Lemon. Also try pairing with gin, vodka and tequila.
THE FINEST HAND SELECTED INGREDIENTS FROM AROUND THE WORLD, AND CRAFTED IN THE UK.

8.7

Excellent

We scanned 287 products

We reviewed these offers relevant to the Low Calorie Tonic Water 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 Britvic, Schweppes, The Artisan Drinks Company, Green Cola, Fentimans, FEVER-TREE, Double Dutch, Dash Water, Skinny Tonic, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Low Calorie Tonic Water in the market, we considered we took a deep dive into 1436 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 Britvic Indian Tonic Water - Low Calorie Drink - Pack of 24 x 200ml. We love many things about this product by Britvic. What sets it apart from the competition is High-quality ingredients, low calorie. , Flourishes the senses. , Perfect to share.
The best value product for most shoppers and where user satisfaction is continuously the highest is Schweppes Slimline Tonic | 1l x 12 by Schweppes based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Low Calorie Tonic Water and the best cost-to-value ratio is Dash Water Lime - 12 x Lime Flavoured Sparkling Spring Water - NO Sugar, NO Sweetener, NO Calories - Infused with Wonky Fruit (12 x 330ml cans)at Dash Water with a 26% discount.
Our list of the best Low Calorie Tonic Water 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 Low Calorie Tonic Water in The UK

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The London Essence, Co. Original Indian Tonic, Premium Cocktail Mixer, 150ml, Pack of 6 cans, No Artificial Colours Preservatives or flavours, Low Calorie

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DOUBLE DUTCH Skinny Tonic Water (6 x 150ml Cans) - Low Calorie, Diet Tonic Water for Gin and Cocktails |Gluten Free and Vegan Friendly Soft Drink Perfect Mixer

The London Essence, Co. Pomelo & Pink Pepper Tonic, Premium Cocktail Mixer, 150ml, Pack of 6 cans, No Artificial Colours Preservatives or flavours, Low Calorie

We scanned 287 products

We concluded that: