What Makes a Tonic “Indian” (and Why It Tastes Different)

9 min read

Let’s be honest: most of us have ordered enough Gin and Tonics to financially support an entire juniper industry without ever stopping to ask why the mixer is called Indian tonic water. 

But there is a method to the madness. Proper "Indian" tonic water possesses a distinct, unapologetically sharp profile, bitter, dry, and botanical, driven entirely by one hard-working ingredient: quinine. 

Originally awarded to colonial troops to keep them from dying of malaria, quinine is the sole reason your G&T tastes complex and sophisticated, while a standard gin and soda tastes like liquid regret and a lack of effort. Understanding this distinction is the exact moment you transition from mindlessly consuming fluids to actually building a decent beverage.

Naturally, we have thoughts on this. StrangeLove Indian Tonic Water is crafted exactly the way it should be, packed with violent carbonation, a clean, biting bitterness, and absolutely zero artificial sweeteners to ruin the vibe.

 

The Short History: Why “Indian”?

History lessons are usually a drag, so we’ll keep this brief.

The "Indian" label on your tonic bottle has absolutely nothing to do with where the ingredients are sourced today, and everything to do with 19th-century British soldiers trying not to die of malaria.

The culprit is quinine: a brutally bitter compound extracted from the bark of the cinchona tree.

Forced to ingest it daily as an anti-malarial, colonial troops in India quickly realized it tasted, well, completely intolerable.. To make the medicine palatable, they did what any resourceful, desperate group would do: they mixed the bitter powder with water, sugar, and a very, very, heavy pour of gin.

Thus, the original, purely functional Gin and Tonic was born.The moniker stuck as a permanent nod to that subcontinental connection - a bit of historical context that outlived the empire.

What Quinine Actually Does to the Flavour

Let’s be clear: quinine isn’t a "flavouring" in the way starburst strawberry or corporate vanilla is. It’s a functional, hard-working botanical that completely re-wires how a liquid registers on your palate. Carbonation creates the texture. Quinine creates the bite we associate with a traditional tonic water

Quinine introduces that signature drying finish - the kind that pinches the back of your mouth and immediately demands another sip. It brings a clean, medicinal edge that balances the spirit.

We use trace amounts of quinine, just enough for flavour, not for surviving a 19th-century tropical plague. Because while colonial medicine gave us the G&T, nobody wants their Friday night tasting like world war 2.

Indian Tonic vs Regular Tonic vs Soda Water - What to Use When

At StrangeLove, we believe choosing a mixer shouldn't require a chemistry degree.

Think of Indian Tonic as the most flavour-active choice on the board. It’s bitter, dry, and aggressively botanical. It doesn't just fill up the empty space in your glass; it actively alters the drink by cutting through sweetness and forcing juniper-forward gins to show up to work.

Regular or Flavoured Tonic: by contrast, is much sweeter, softer, and heavily citrus-driven. It’s designed for modern, floral gins or spirits that need some addition rather than matching. 

Then you have Soda Water. It is completely neutral, crisp, and contains zero sugar, making it the only acceptable choice for high-end whiskies or clean vodkas when you actually want to taste the spirit unbothered.

If you want that intense, bracing Indian tonic bitterness and aggressive carbonation but can't face the accompanying sugar load, that's exactly why we built our Lo-Cal range. It gives you the necessary structure without the dental anxiety. Match the mixer to your spirit, pour it over too much ice, and stop overthinking it.

What Makes a Good Indian Tonic Water?

A good high quality Indian tonic should have three main things:

Proper tonic should be aggressively, almost violently fizzy - possessing the kind of frantic, relentless energy usually reserved for multi-level marketing recruiters. This hyper-carbonation acts as a structural cage that lifts the heavy botanicals in your spirit, keeping the drink crisp and sharp long after the ice has started to melt.

A proper Indian tonic treats sugar like a necessary evil, not a core personality trait. It uses a restrained hand to create a dry, structural backbone that allows the bitterness to do its actual job - keeping your drink refreshing rather than turning your glass into a sticky, liquid lollipop.

Finally, please avoid artificial sweeteners. The flavour profile should rely entirely on premium, real ingredients. Cold-pressed citrus oils and natural botanicals exist to gently support and lift the quinine, providing a clean, sophisticated finish that ensures your Friday night doesn't end up tasting like a diet citrus air freshener

That’s why the StrangeLove tonic water collection focuses on high carbonation, restrained sweetness, and natural ingredients, blended right here in Australia. 

The 3 Best Ways to Drink Indian Tonic Water

The Classic G&T

The blueprint for a reason.

Large ice. 30-45ml gin. Top with Indian tonic water. Finish with lemon or lime.

Stick to roughly a 1:3 ratio and let the tonic do the work. The quinine sharpens botanicals beautifully and gives the drink that dry, clean finish a soda water simply can’t.

Tonic and Vodka

Criminally underrated.

Vodka and Indian tonic actually are quite structured. The bitterness gives the drink shape, while the carbonation keeps it crisp instead of tasting like diluted regret. ...Especially good with citrus vodka. 

Straight Over Ice

Good tonic water should survive on its own.

Indian tonic over large ice with a lemon twist is already a complete drink, especially if you’re after a lower-to-no alcohol option that still feels like an adult beverage.

StrangeLove Lo-Cal tonic works particularly well here. All the bitterness. All the carbonation. Less sugar trying to dominate the experience.

The Final Pour

The “Indian” in Indian tonic water isn’t just a historical footnote or a clever piece of packaging. It’s shorthand for a very specific flavour profile: bitter, dry, botanical, and built around quinine.

That quinine bitterness is what gives tonic its structure. The carbonation keeps it alive. The sugar, ideally, knows its place and stays far, far away.

At StrangeLove, that’s the entire philosophy. High carbonation. Natural flavours. No artificial sweeteners. Just enough bitterness to keep things interesting and enough restraint to let your spirit do its job.

Because if three quarters of your Gin and Tonic is tonic water, it probably shouldn't taste like an afterthought.

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Tonic No. 8 (Indian Tonic Water) 180ml x 24

Tonic No. 8 (Indian Tonic Water) 180ml x 24

Next Article: The Yuzu Highball Playbook: 7 Ultra-Easy 2-Ingredient Serves

Frequently Asked Questions

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What is the difference between Indian tonic water and tonic water?

Indian tonic water contains quinine, which gives it bitterness and a dry botanical finish. Regular tonic tends to be sweeter and softer. Indian tonic is the original version designed specifically to be partnered with gin.

Why does Indian tonic water taste bitter?

The bitterness comes from quinine, a compound derived from cinchona bark. It’s what gives tonic water structure and why it pairs so well with botanical spirits.

Does Indian tonic water have sugar?

Most do, because sugar balances quinine bitterness. StrangeLove Lo-Cal tonic keeps sugar significantly lower while maintaining the bitterness and carbonation that make tonic actually taste good.

Is Indian tonic water the same as soda water?

No. Soda water is neutral carbonated water. Indian tonic contains quinine and botanicals, which means it actively shapes a drink rather than simply lengthening it.

What is the best Indian tonic water in Australia?

StrangeLove makes an Indian tonic water Australia you can genuinely stand behind: natural flavour, high carbonation, no artificial sweeteners, and available nationally through selected stockists, or from their website here..

Infrequently Asked Questions

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Has StrangeLove Indian Tonic Water ever even been to India?

No, StrangeLove Indian Tonic Water - otherwise known as ‘Tonic No. 8’ - hasn’t travelled much further than from our very Australian Warehouse run by a guy with a mullet named Vinny, into your house. Feel free to accuse your next bottle of Indian Tonic Water of being a filthy lying travel poser.

Why is it called Tonic No.8?

Because we are a bunch of perfectionists who took 8 tries to make the perfect Indian Tonic Water, worthy of your glass. If at first you don’t succeed, drink again.