How does diet tonic water taste compared to regular tonic water?
Diet or light tonic water usually has less sugar than regular tonic, so it often tastes less sweet and the bitterness may stand out more. How different it tastes depends on the brand and sweetener. Some light tonics, such as Fever-Tree Light, use fruit sugar and have about 30 calories per serving, not zero.
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In this article
How does diet tonic water taste compared to regular?
In general it has less sugar, so it often tastes less sweet, which can let the bitter note come forward. Regular tonic water has a rounder, syrupy sweetness that softens the bitterness. How big the difference is depends on the brand and on what replaces the sugar.
Not all “diet” tonics are the same
Some are sweetened with artificial sweeteners and have almost no calories. Others are lower-calorie versions that still use sugar. One example is Fever-Tree’s Light tonic, which a reviewer notes uses fructose (fruit sugar), has about 30 calories per 6.8 oz serving against about 70 for the full-calorie Indian tonic, and is low-calorie, not zero-calorie. The same reviewer describes its quinine note as milder than in the full-calorie version.
| Type | Typical taste | Check on the label |
|---|---|---|
| Regular tonic | Sweet, noticeable bitterness | Sugar or glucose-fructose syrup |
| Light tonic (reduced sugar) | Less sweet, lighter body | Calories per serving |
| Zero-sugar tonic | Dry, sometimes a sweetener aftertaste | Sweeteners named in the ingredients |
What causes the aftertaste?
Artificial sweeteners can leave a lingering sweet or slightly metallic aftertaste for some people, while others do not notice it. The best way to find out is a single bottle or a mini can.
How to choose
- If you like gin and tonic but find tonic too bitter, a light tonic is often an easier start.
- If you want almost no calories, choose a zero-sugar tonic and read the sweeteners on the label.
- Bitterness differs between brands, so do not assume two tonics taste alike.
- Pair a more bitter, drier tonic with a juniper-forward gin and a sweeter tonic with a softer one.
Tips for serving
Chill the tonic well and use plenty of ice. Pour it gently down a spoon or the side of the glass to keep it fizzy. A slice of lime, lemon or grapefruit helps to cover a sweetener aftertaste.
Calories compared
The same review lists other light tonics at about 47 (Fentiman’s Light), 21 (Double Dutch Skinny) and 18 (Q Tonic Light) calories for their serving sizes, which shows how much the figure varies. Check the label for the size of the serving as well as the number.
People also ask
Is diet tonic water sweeter than regular?
No, it is usually less sweet, though it depends on the brand and sweetener.
Is light tonic water zero calorie?
Not always. Fever-Tree Light, for example, uses fruit sugar and has about 30 calories per serving. Zero-sugar tonics are different.
Does diet tonic water have quinine?
Brands generally include quinine for the bitter taste, but the amount varies. In the Fever-Tree Light review the quinine note was described as milder than in the full-calorie tonic.
Sources
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