Best Low Calorie Tonic Water of 2026

Last updated on 04/04/2026

Advertising disclosure

Most Relevant

Most Relevant

Best Choice

Schweppes Slimline Tonic | 1l x 12

Schweppes Slimline Tonic | 1l x 12

Value for Money

Double Dutch Skinny Tonic Water | Low Calorie Diet Indian Tonic Water | Gluten Free, Vegan Friendly Premium Mixer Perfect For Gin & Cocktails | 24 x 200ml Bottles

Double Dutch Skinny Tonic Water | Low Calorie Diet Indian Tonic Water | Gluten Free, Vegan Friendly Premium Mixer Perfect For Gin & Cocktails | 24 x 200ml Bottles

Double Dutch

Why we love it

Unique and versatile flavour pairings.
No artificial ingredients used.
Perfect for crafting cocktails.

Main Highlights

Light & Zesty Skinny Tonic Flavour – Our tonic water for gin is the light-hearted sibling of our Indian Tonic Water - All the zest, but just that little bit lighter!
Low-Calorie - Only Natural Ingredients – Just the good stuff: no artificial sweeteners, low in calories, and bursting with natural flavour. Each one of our diet tonic bottles contains just 19 kcal per 100ml.
Perfect Mixed or on Its Own – Double Dutch tonic bottles are expertly balanced to complement your favourite spirit, elevate cocktails, or deliver peak refreshment all on its own – straight from the bottle, 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 B Corp – 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.

9.7

Exceptional

9.7

Exceptional

Double Dutch

Double Dutch Skinny Tonic Water | Low Calorie Diet Indian Tonic Water | Gluten Free, Vegan Friendly Premium Mixer Perfect For Gin & Cocktails | 24 x 200ml Bottles

Why we love it

Unique and versatile flavour pairings.
No artificial ingredients used.
Perfect for crafting cocktails.

Main Highlights

Light & Zesty Skinny Tonic Flavour – Our tonic water for gin is the light-hearted sibling of our Indian Tonic Water - All the zest, but just that little bit lighter!
Low-Calorie - Only Natural Ingredients – Just the good stuff: no artificial sweeteners, low in calories, and bursting with natural flavour. Each one of our diet tonic bottles contains just 19 kcal per 100ml.
Perfect Mixed or on Its Own – Double Dutch tonic bottles are expertly balanced to complement your favourite spirit, elevate cocktails, or deliver peak refreshment all on its own – straight from the bottle, 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 B Corp – 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.

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)

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)

Green Cola

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

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)

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

Fever-Tree Refreshingly Light Indian Tonic Water, 24x150ml

FEVER-TREE

5% Off

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

Fever-Tree Refreshingly Light Indian Tonic Water, 24x150ml

5% Off

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 | Low Calorie Diet Indian Tonic Water| Gluten Free, Vegan Friendly Premium Mixer Perfect For Gin & Cocktails | 24 x 150ml Cans

Double Dutch Skinny Tonic Water | Low Calorie Diet Indian Tonic Water| Gluten Free, Vegan Friendly Premium Mixer Perfect For Gin & Cocktails | 24 x 150ml Cans

Double Dutch

Why we love it

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

Main Highlights

Light & Zesty Skinny Tonic Flavour – Our tonic water for gin is the light-hearted sibling of our Indian Tonic Water - All the zest, but just that little bit lighter!
Low-Calorie - Only Natural Ingredients – Just the good stuff: no artificial sweeteners, low in calories, and bursting with natural flavour. Each one of our diet tonic cans contains just 19 kcal per 100ml.
Perfect Mixed or on Its Own – Double Dutch tonic cans are 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 B Corp – 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.

Double Dutch Skinny Tonic Water | Low Calorie Diet Indian Tonic Water| Gluten Free, Vegan Friendly Premium Mixer Perfect For Gin & Cocktails | 24 x 150ml Cans

Why we love it

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

Main Highlights

Light & Zesty Skinny Tonic Flavour – Our tonic water for gin is the light-hearted sibling of our Indian Tonic Water - All the zest, but just that little bit lighter!
Low-Calorie - Only Natural Ingredients – Just the good stuff: no artificial sweeteners, low in calories, and bursting with natural flavour. Each one of our diet tonic cans contains just 19 kcal per 100ml.
Perfect Mixed or on Its Own – Double Dutch tonic cans are 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 B Corp – 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.

Fever-Tree Refreshingly Light Mediterranean Tonic Water 24x150ml

Fever-Tree Refreshingly Light Mediterranean Tonic Water 24x150ml

FEVER-TREE

13% Off

Why we love it

Low in calories.
Naturally sourced ingredients.
Perfect gin pairing.

Main Highlights

THIS PACK CONTAINS 24x150ml cans of Fever-Tree Refreshingly Light Mediterranean Tonic Water. Each can contains 17 kcal per 100ml & 43% fewer calories than our Premium Indian Tonic Water.
FEVER-TREE REFRESHINGLY LIGHT MEDITERANNEAN TONIC WATER is made using the finest naturally sourced ingredients and contains no artificial sweeteners or colours. It blends essential oils from the flowers, fruits and herbs including rosemary and lemon thyme that we have gathered from around the Mediterranean shores with the highest-quality quinine from the 'fever trees' of the Democratic Republic of the Congo, creating a unique, delicate, floral tonic water.
FEVER-TREE REFRESHINGLY LIGHT MEDITERANNEAN TONIC WATER pairs perfectly with citrus and herbaceous gins such as Tanqueray No.10 or Bombay Sapphire.
FEVER-TREE began in 2003 when our co-founders 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

Fever-Tree Refreshingly Light Mediterranean Tonic Water 24x150ml

13% Off

Why we love it

Low in calories.
Naturally sourced ingredients.
Perfect gin pairing.

Main Highlights

THIS PACK CONTAINS 24x150ml cans of Fever-Tree Refreshingly Light Mediterranean Tonic Water. Each can contains 17 kcal per 100ml & 43% fewer calories than our Premium Indian Tonic Water.
FEVER-TREE REFRESHINGLY LIGHT MEDITERANNEAN TONIC WATER is made using the finest naturally sourced ingredients and contains no artificial sweeteners or colours. It blends essential oils from the flowers, fruits and herbs including rosemary and lemon thyme that we have gathered from around the Mediterranean shores with the highest-quality quinine from the 'fever trees' of the Democratic Republic of the Congo, creating a unique, delicate, floral tonic water.
FEVER-TREE REFRESHINGLY LIGHT MEDITERANNEAN TONIC WATER pairs perfectly with citrus and herbaceous gins such as Tanqueray No.10 or Bombay Sapphire.
FEVER-TREE began in 2003 when our co-founders 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

Artisan Skinny London Tonic Can, 200ml (Case 24)

Artisan Skinny London Tonic Can, 200ml (Case 24)

The Artisan Drinks Company

Why we love it

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

Main Highlights

200ml size, for optimal serving every time
Contains no artificial colours, flavours or preservatives
Only 34 calories per can

The Artisan Drinks Company

Artisan Skinny London Tonic Can, 200ml (Case 24)

Why we love it

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

Main Highlights

200ml size, for optimal serving every time
Contains no artificial colours, flavours or preservatives
Only 34 calories per can

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

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

Britvic

18% Off

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

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

18% Off

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

Mulberry Creek Lightly Sparkling Tonic Water, Contains Quinine, Premium Quality, Great for Cocktails & Paired with Gin or Vodka, Low Calories & Sodium 24 x 150ml

Mulberry Creek Lightly Sparkling Tonic Water, Contains Quinine, Premium Quality, Great for Cocktails & Paired with Gin or Vodka, Low Calories & Sodium 24 x 150ml

Mulberry Creek

Why we love it

Delightful blend of citrus flavors.
Perfect for cocktails or neat.
Low calorie and guilt-free choice.

Main Highlights

This lightly sparkling tonic water has a subtle hint of delectably bitter quinine with full bodied citrus tones. The delicately blended flavours enhance most spirits, including gin and vodka. Alternatively, you can enjoy neat- the choice is yours
This premium tonic water is a great choice for your favourite cocktails. Alternatively, try mixing with your favourite gin and some slices fruit to bring out the delicate flavours
Enjoy a guilt free drink with this tonic water. Unwind with this low calorie and low sodium drink with benefits that makes drinking your favourite cocktails that much more satisfying
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

Mulberry Creek Lightly Sparkling Tonic Water, Contains Quinine, Premium Quality, Great for Cocktails & Paired with Gin or Vodka, Low Calories & Sodium 24 x 150ml

Why we love it

Delightful blend of citrus flavors.
Perfect for cocktails or neat.
Low calorie and guilt-free choice.

Main Highlights

This lightly sparkling tonic water has a subtle hint of delectably bitter quinine with full bodied citrus tones. The delicately blended flavours enhance most spirits, including gin and vodka. Alternatively, you can enjoy neat- the choice is yours
This premium tonic water is a great choice for your favourite cocktails. Alternatively, try mixing with your favourite gin and some slices fruit to bring out the delicate flavours
Enjoy a guilt free drink with this tonic water. Unwind with this low calorie and low sodium drink with benefits that makes drinking your favourite cocktails that much more satisfying
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

Mulberry Creek Sugar Free Tonic Water, Contains Quinine, Premium Quality, Great for Cocktails & Paired with Gin or Vodka, Low Calories & Sodium, Fully Recyclable 24 x 150ml Cans

Mulberry Creek Sugar Free Tonic Water, Contains Quinine, Premium Quality, Great for Cocktails & Paired with Gin or Vodka, Low Calories & Sodium, Fully Recyclable 24 x 150ml Cans

Mulberry Creek

Why we love it

Delicate flavors enhance cocktails.
Guilt-free, low-calorie refreshment.
Sustainably sourced natural ingredients.

Main Highlights

The sugar free tonic water has a subtle hint of delectably bitter quinine with full bodied citrus tones. The delicately blended flavours enhance your favourite crafted gins. Alternatively, you can enjoy near- the choice is yours
This sugar free tonic water is a great choice for your favourite cocktails. Alternatively, try mixing with your favourite gin and some slices fruit to bring out the delicate flavours
Enjoy a guilt free drink with this tonic water. Unwind with this low calorie, no sugar and low sodium drink with benefits that makes drinking your favourite cocktails that much more satisfying
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

Mulberry Creek Sugar Free Tonic Water, Contains Quinine, Premium Quality, Great for Cocktails & Paired with Gin or Vodka, Low Calories & Sodium, Fully Recyclable 24 x 150ml Cans

Why we love it

Delicate flavors enhance cocktails.
Guilt-free, low-calorie refreshment.
Sustainably sourced natural ingredients.

Main Highlights

The sugar free tonic water has a subtle hint of delectably bitter quinine with full bodied citrus tones. The delicately blended flavours enhance your favourite crafted gins. Alternatively, you can enjoy near- the choice is yours
This sugar free tonic water is a great choice for your favourite cocktails. Alternatively, try mixing with your favourite gin and some slices fruit to bring out the delicate flavours
Enjoy a guilt free drink with this tonic water. Unwind with this low calorie, no sugar and low sodium drink with benefits that makes drinking your favourite cocktails that much more satisfying
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

We scanned 1728 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 Schweppes, Double Dutch, Green Cola, FEVER-TREE, The Artisan Drinks Company, Britvic, Mulberry Creek, 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 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 Double Dutch Skinny Tonic Water | Low Calorie Diet Indian Tonic Water | Gluten Free, Vegan Friendly Premium Mixer Perfect For Gin & Cocktails | 24 x 200ml Bottles by Double Dutch 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 Britvic Low Calorie Indian Tonic Water, 24 x 150ml Canat Britvic with a 18% 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.