10 Best Tonic Water Low Calorie in The UK

Last updated on 16/07/2025

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Best Choice

9.8

Exceptional

Schweppes

Schweppes Slimline Tonic | 1l x 12

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

THE LONDON ESSENCE CO.

The London Essence, Co. Original Indian Tonic, Premium Cocktail Mixer, 150ml, Pack of 24 cans, No Artificial Colours Preservatives or flavours, Low Calorie

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Why We Love It

Exquisite taste and aroma.
Low in calories.
No artificial sweeteners.

Main Highlights

EXQUISITE TASTE & AROMA - Lemon peel extract, and cold pressed lime oils, combine with aromatic calamansi to deliver a unique citrus note, layered with a hint of chinotto and a distilled juniper essence to deliver a pleasantly bitter tonic finish
DISTILLED BOTANICAL ESSENCE - Juniper berries are steeped prior to distillation to create our unique essence, and are combined with a variety of citrus notes, including aromatic calamansi, for an almost tropical edge
LOW IN CALORIES - With each expression at under 20 calories per 100ml and low in sugar at under 4g per 100ml, be prepared for a delicately light and sophisticated mixer
NO ARTIFICIAL SWEETENERS - As with the rest of The London Essence Co. collection, the London Essence Co. tonic water is sweetened naturally with fructose
ACCENTUATES THE FINEST SPIRITS - Simply pair with your preferred premium gin or try with a dark rum for a contemporary paring

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.

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

Britvic Low Calorie Indian Tonic Water, 24 x 150ml Can

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Why We Love It

High-quality refreshing experience.
Great for social gatherings.
Perfect anywhere, anytime.

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

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!

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.

THE LONDON ESSENCE CO.

The London Essence, Co. Original Indian Tonic, Premium Cocktail Mixer, 150ml, Pack of 10 cans, No Artificial Colours Preservatives or flavours, Low Calorie

Free Shipping

Why We Love It

Exquisite taste and aroma.
Low in calories and sugar.
No artificial sweeteners used.

Main Highlights

EXQUISITE TASTE & AROMA - Lemon peel extract, and cold pressed lime oils, combine with aromatic calamansi to deliver a unique citrus note, layered with a hint of chinotto and a distilled juniper essence to deliver a pleasantly bitter tonic finish
DISTILLED BOTANICAL ESSENCE - Juniper berries are steeped prior to distillation to create our unique essence, and are combined with a variety of citrus notes, including aromatic calamansi, for an almost tropical edge
LOW IN CALORIES - With each expression at under 20 calories per 100ml and low in sugar at under 4g per 100ml, be prepared for a delicately light and sophisticated mixer
NO ARTIFICIAL SWEETENERS - As with the rest of The London Essence Co. collection, the London Essence Co. tonic water is sweetened naturally with fructose
ACCENTUATES THE FINEST SPIRITS - Simply pair with your preferred premium gin or try with a dark rum for a contemporary paring

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

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Why We Love It

Deliciously satisfying and refreshing.
Perfect for creative cocktails.
No artificial ingredients, pure quality.

Main Highlights

𝗦𝗞𝗜𝗡𝗡𝗬 𝗧𝗢𝗡𝗜𝗖 𝗪𝗔𝗧𝗘𝗥- Satisfaction guaranteed. Skinny doesn’t have to mean lightweight! Much more than just a lighter option – containing less sugar than standard tonic water, it’s deliciously satisfying drunk straight up.
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 - With pink grapefruit and juniper berry rounding out the crispness of quinine, it adds a zest that makes every drink sparkle.
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.

9.1

Superb

We scanned 1728 products

We reviewed these offers relevant to the Tonic Water Low Calorie 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 Schweppes, Green Cola, THE LONDON ESSENCE CO., Double Dutch, FEVER-TREE, Britvic, The Artisan Drinks Company, 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 Tonic Water Low Calorie in the market, we considered we took a deep dive into 8641 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 Schweppes Slimline Tonic | 1l x 12. We love many things about this product by Schweppes.
The best value product for most shoppers and where user satisfaction is continuously the highest is 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) by Green Cola based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Tonic Water Low Calorie and the best cost-to-value ratio is 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 Mixerat Double Dutch with a 7% discount.
Our list of the best Tonic Water Low Calorie 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 Tonic Water Low Calorie in The UK

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We concluded that: