10 Best Tonic Water Flavours in The UK

Last updated on 25/04/2025

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SodaStream Flavours Classic Diet Tonic Mix, Fizzy Drink Maker Concentrate, Aspartame Free SodaStream Syrup, Sparkling Water Flavouring, Slimline Water for Gin & Tonic - 6x 440ml Multi Pack

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Why We Love It

Eco-friendly beverage solution.
Endless fizzy delights.
Natural flavour satisfaction.

Main Highlights

Flavoured drinks for every event: Simply carbonate your water using your SodaStream and then add the Diet Tonic mix
Be the change: Reduce your plastic waste and help the environment, as each 440 ml bottle makes up to 9 litres of deliciously drinkable pop
Favourite flavours on tap: Perfect for parties to create tasty tonic. Enjoy SodaStream refreshment at your fingertips
Taste test: New and improved, naturally flavoured Diet Tonic soda syrup to make a delicious GandT. Contains no aspartame
Instructions: Simply carbonate your water using SodaStream and then add the Diet Tonic flavour. Includes 6 x 440 ml bottles

Fentimans Connoisseurs Tonic Water - Botanically Brewed Water - Infused with Natural Botanicals and Quinine - Low Calorie, Gluten Free and Vegan Friendly Soft Drinks - 8 x 500ml

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Why We Love It

Botanically brewed for drinks.
Natural ingredients, high quality.
No artificial additives, pure.

Main Highlights

🌱 BOTANICALLY BREWED - This versatile tonic has been specially created with a delicate infusion of natural botanicals and quinine for a clean and balanced taste. The delicate flavour profile enhances and amplifies the beautiful botanicals of premium spirits, letting the spirit be the hero.
🌱 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 Connoisseurs 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.

Unmatched purity and flavour.
Enduring, invigorating fizz.
Exotic taste adventure.

Main Highlights

Exotic Lemongrass Infusion: Indulge in the unparalleled taste of lemongrass distilled in our tonic water, sourced from Ecuador to ensure an authentic and exotic flavour experience that transports you to distant lands
Ecuadorian Quinine Elixir: Harvested from the lush landscapes of the Loja province, our quinine infuses your drink with a touch of exoticism, imparting depth and complexity to every sip for a truly unforgettable taste adventure
Pristine Spring Water: From the depths of our distillery's natural spring, our tonic water undergoes meticulous filtration, guaranteeing unmatched purity and flavour neutrality that elevates your drinking experience to new heights
Advanced Fizz Preservation: Utilising state-of-the-art technology, we chill our tonic water to a refreshing 2ºC, ensuring a robust and enduring fizz that remains strong and invigorating until the very last drop, promising a consistently fresh and enjoyable beverage
Gin & Tonic Transformation: Elevate your gin and tonic experience with the natural ingredients and exotic flavours of our tonic water, transforming every sip into a luxurious and gratifying indulgence that tantalises your taste buds and leaves you craving more
Historical Remedy Reimagined: Embrace the rich heritage of quinine as a revered fever remedy, cherished by both commoners and royalty alike throughout history, now encapsulated in every sip of our tonic water, offering a timeless and trusted tonic for modern enjoyment

Fever-Tree Tonic Water Variety Pack 2x12x150ml (Total 24 cans)

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Why We Love It

Perfect for vodka or gin.
Includes best-selling flavors.
Great for any party.

Main Highlights

Pack Contains:Fever-Tree Light Mediterranean Tonic Water (2x3x150ml)Fever-Tree Rhubarb & Raspberry Tonic Water (2x3x150ml)Fever-Tree Light Tonic Water (2x3x150ml)Fever-Tree Light Elderflower Tonic Water (2x3x150ml)
Fever-Tree Variety Pack is ideally Paired with Vodka or Gin
The perfect Fever-Tree party pack
Variety Pack contains Fever-Tree's best selling flavours

The Artisan Drinks Company

Classic London Tonic Water by The Artisan Drinks Company - 200mlx24 Cans - Natural Ingredients - Tonic Water for Gin - Perfect for Drier, Premium Gins

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Why We Love It

Great taste and natural ingredients.
Stylish, minimalist can design.
Perfect mixer or standalone.

Main Highlights

Unique Recipe - A stylish tonic, combining natural citrus flavours & subtle botanical notes. Works perfectly as a mixer or as a standalone fizzy drink. This will beat any Indian Tonic Water out there!
The Art of Mixing - our Classic London Tonic Water is the perfect partner for a dry craft gin or vodka. Our subtle flavours don't overpower your chosen spirit and are designed to complement it.
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!

Double Dutch Cucumber & Watermelon Premium Tonic Water 24 x 200ml bottles Low Calorie Perfect Mixer for Cocktails, No Artificial Colours Preservatives or Flavours (Pack of 24)

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Why We Love It

Versatile and unpredictable flavors.
No artificial ingredients included.
Perfect summer cocktail mixer.

Main Highlights

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.
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 bottle 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.
CUCUMBER & WATERMELON - “fresher than a pillow with a mint on it”. There’s nothing juicier than watermelon, which is why we combine it with cucumber’s super-smooth freshness to create our most popular mixer.
PERFECT FOR COCKTAILS - It stands-out with gin and summer fizzes and the perfect summer serve with light rums, citric gins and white wine.

Double Dutch Cranberry & Ginger Premium Tonic Water 24 x 200ml bottles Low Calorie Perfect Mixer for Cocktails, No Artificial Colours Preservatives or Flavours (Pack of 24)

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Why We Love It

Unique flavour pairings surprise taste buds.
No artificial ingredients, pure enjoyment.
Perfectly enhances cocktails and spirits.

Main Highlights

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.
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 bottle 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.
CRANBERRY & GINGER - Warm and tangy, complex and spicy. The essence of seduction, we’ve brought together the piquancy of quinine with the zinginess of cranberry and ginger’s dashing warmth to create a drink that lingers lovingly on the palate. It’s ideal for dark spirits (both alcohol and human!) and is guaranteed to fascinate.
PERFECT FOR COCKTAILS - Perfect paired with rum, our Cranberry & Ginger Tonic also brings cognac and floral gins to life.

Fever-Tree Refreshingly Light Rhubarb & Raspberry Tonic Water 8 x 150ml (Pack of 3, Total 24 cans)

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Why We Love It

Fewer calories, guilt-free enjoyment.
Highest quality natural ingredients.
Pairs perfectly with spirits.

Main Highlights

THIS PACK CONTAINS 24x150ml cans of Fever-Tree Refreshingly Light Rhubarb & Raspberry Tonic Water. Each can contains 17 kcal per 100ml & 43% fewer calories than our Premium Indian Tonic Water.
FEVER-TREE REFRESHINGLY LIGHT RHUBARB & RASPBERRY TONIC WATER is made using the finest naturally sourced ingredients and contains no artificial sweeteners or colours. It is crafted by blending spring water with extracts of sweet rhubarb from a British farm in Norfolk, jammy raspberries from the Strathmore Valley in Scotland and quinine from East & Central Africa.
FEVER-TREE REFRESHINGLY LIGHT RHUBARB & RASPBERRY TONIC WATER pairs perfectly all with classic London Dry gins or premium vodkas.
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

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 Indian Tonic Water | 24 x 150ml cans | Low Calorie Perfect Mixer for Cocktails, No Artificial Colours Preservatives or Flavours (Pack of 24)

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Why We Love It

Award-winning Indian Tonic Water.
Perfect for various cocktails.
Made without artificial ingredients.

Main Highlights

DOUBLE DUTCH 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.
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 bottle 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.
INDIAN TONIC WATER - Tonic Water grows up. Our award-winning Indian Tonic Water starts with a hint of pink grapefruit, ripens to classic quinine, and finishes with a hint of juniper berry.
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.

8.7

Excellent

We scanned 832 products

We reviewed these offers relevant to the Tonic Water Flavours 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 sodastream, Fentimans, Le Tribute, FEVER-TREE, The Artisan Drinks Company, Double Dutch, THE LONDON ESSENCE CO., 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 Flavours in the market, we considered we took a deep dive into 4161 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 SodaStream Flavours Classic Diet Tonic Mix, Fizzy Drink Maker Concentrate, Aspartame Free SodaStream Syrup, Sparkling Water Flavouring, Slimline Water for Gin & Tonic - 6x 440ml Multi Pack. We love many things about this product by sodastream. What sets it apart from the competition is Eco-friendly beverage solution, Endless fizzy delights, Natural flavour satisfaction.
The best value product for most shoppers and where user satisfaction is continuously the highest is Fentimans Connoisseurs Tonic Water - Botanically Brewed Water - Infused with Natural Botanicals and Quinine - Low Calorie, Gluten Free and Vegan Friendly Soft Drinks - 8 x 500ml by Fentimans based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Tonic Water Flavours and the best cost-to-value ratio is Classic London Tonic Water by The Artisan Drinks Company - 200mlx24 Cans - Natural Ingredients - Tonic Water for Gin - Perfect for Drier, Premium Ginsat The Artisan Drinks Company with a 17% discount.
Our list of the best Tonic Water Flavours 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 Flavours in The UK

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Double Dutch Indian Tonic Water, Premium Mixer, Low Calorie Perfect Mixer for Cocktails, No Artificial Colours Preservatives or Flavours, 150ml Cans (Pack of 6)

The London Essence, Co. Blood Orange & Elderflower Tonic, Premium Cocktail Mixer, 200ml, Pack of 24 bottles, No Artificial Colours Preservatives or flavours, Low Calorie

Fever-Tree Indian Tonic Water 8 x 150 ml (Pack of 3 Total 24 Cans)

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

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

The London Essence, Co. Original Indian Tonic, Premium Cocktail Mixer, 200ml, Pack of 24 bottles, No Artificial Colours Preservatives or flavours, Low Calorie

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

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

The London Essence, Co. Pomelo & Pink Pepper Tonic, Premium Cocktail Mixer, 200ml, Pack of 24 bottles, No Artificial Colours Preservatives or flavours, Low Calorie

We scanned 832 products

We concluded that: