Alcoholic drinks can often have a lot of hidden calories from their mixers, when dieting you have to consider not only the syns of the alcohol itself but mixers and add-ins such as tonic water which can often be high in sugar.
Fever Tree is a popular brand of tonic water and often have great calories for people who want to enjoy a gin and tonic while keeping their syns low, for their original tonic water, it will use 3 syns for 200ml.
To find out more about why tonic water can be bad for you when dieting, the other syn values of the Fever Tree tonic range plus some low syn alternatives, we've put together a short guide with everything you need to know below.
Tonic water is full of sugar, with around 15g for 200ml, this means you have to be careful to drink the mixer in moderation, only 300ml could use 4.5 syns of your allowance which is the standard pour for two gin and tonics.
Even light tonics need to be consumed with caution, although they contain less sugar they can cause you to overdrink alcohol and are often full of sweeteners to replace the amount of sugar.
If you want to avoid sugar completely in your alcohol we would suggest choosing soda water or seltzer instead to reduce syns too.
Fever Tree has an extensive range of tonics if you're looking to change up your mixers, we've listed them down below along with their syn values to help you out.
If you find Fever Tree too high in syns or you would prefer a different low syn tonic water alternative we've put together a couple of types down below for you to check out.
To conclude, Fever Tree original tonic water has 3 syns for 200ml, making it fairly average in syns, you should always consume tonic water and alcohol in moderation however to avoid going over your syn allowance. If you want to cut back on the sugar of tonic water we would recommend switching to a light tonic water or soda water instead.