How Many Syns In A Gin & Slimline Tonic? Find Out Here!

Updated on 
4 January, 2023

Is A Gin & Slimline Tonic Slimming World Friendly? - Our SW Syn Guide

If your go-to drink is a G&T on the weekend, you might be wondering how to make it more slimming world friendly, this could be by switching to the slimline tonic, but how many syns does it have on the slimming world?

Is A Gin & Slimline Tonic Slimming World Friendly?

A Gin and slimline tonic have on average 3 syns a serving, making it a great low syn drink to have on the weekend or a night out, you could have up to five before using all your daily syn allowance!

Down below in our syn guide we will take you through why a Gin and slimline tonic is low in syns as well as some syn values of gin and normal tonic to help you compare and make your drink the lowest in syns!

Why Is A Gin & Slimeline Tonic So Low In Syns?

At just 3 syns a serving, gin and slimline tonic are very low in syns, this is down to the slimline tonic which has no sugar and is instead sweetened with sweeteners, keep it low in calories and syns.

For example, a gin and tonic made with standard tonic water can have up to 5.5/6 syns a drink due to the sugar inside, meaning you could only have two before using all your daily syn allowance.

Syn Values Of Gin

Gin has a similar syn value no matter the brand you choose, but to help you compare syns, we've listed some general values down below.

  • Gordons Dry Gin 37.5% – 2.5 Syns (link to his Pink one! 😉 ).
  • Tesco Finest Aromatic Gin, 43% – 3 Syns
  • Gordons Gin & Slimline Tonic – 4 Syns
  • Tesco London Dry Gin, 37.5% – 2.5 Syns
  • Gordons Sloe Gin 26% – 3 Syns
  • Gordons Dry Gin 37.5% vol – 3.5 Syns
  • Gordons Dry Gin, 47.3% vol – 4.5 Syns
Syn Values Of Gin

Syn Values Of Tonic

Tonic water can either make your G&T high in syns or low, tonic itself is very high in sugar, so choosing a diet tonic or slimline tonic can help to reduce syns.

We've listed some syn values of tonic below to help you compare.

  • Tesco Indian Tonic Water - 2 syns per 250ml.
  • Fentimans Pink Rhubarb Tonic - 3.5 syns.
  • SodaStream Classics Diet Tonic - SYN FREE.
  • Fentimans Pink Grapefruit Tonic Water - 3.5 syns per 200ml.
  • Tesco Low-Calorie Indian Tonic - SYN FREE.
  • Schweppes Tonic Water - 2.5 syns per 250ml.
  • Merchant's Heart Light Tonic - 2 syns.
  • London Essence Co. Grapefruit and Rosemary - 2.5 syns per 250 ml.
  • Schweppes Slimline Tonic Water - SYN FREE.
  • London Essence Original Indian Tonic Water - 2.5 syns.

Low Syn Alternative Drinks & Mixers

If you find gin and tonic to be too high in syns or maybe your looking to switch up your drinks, we've got some great low-syn alternative alcoholic drinks for you to check out below.

  • Limehouse Aromatic Gin and Diet Pink Tonic - 3.5 syns for 250ml.
  • Navigator Gin and Ginger Rhubarb flavoured - 8 syns per can.
  • Kopparberg Gin Slimeline Strawberry and lime flavour - 3.5 syns a can.
  • Sainsbury Gin and Tonic - 7 syns for a can.
  • Tesco Grain Vodka Lime and Lemonade - 3.5 syns per can.
  • Sainsbury Diet Version Gin Rhubarb and Ginger - 3.5 syns.
Low Syn Alternative Drinks & Mixers

Final Words

Overall, Gin and slimline tonic is a very low syn alcoholic drink to choose from, they have just 3 syns a serving meaning you can have up to five of these drinks before using up all your daily syn allowance. To save syns we would always suggest measuring out your gin and using low sugar tonic since regular tonic can add a large amount of syns to your drink due to the sugar inside.

Jennifer is a certified nutritionist and weight loss coach with a Master's in Nutrition from Cambridge. With over 10 years experience, she shares healthy recipes and science-backed slimming tips on SheCooksSheEats to help people reach their wellness goals. Jennifer stays up-to-date by regularly attending conferences and continuing her nutrition education. She aims to provide research-backed advice to inspire balanced, happy living.
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