If you're looking to bake some goods with caster sugar or use it to sweeten drinks, you might be curious as to how many syns caster sugar has on the slimming world.

Caster sugar has 1 syn per teaspoon, making it quite low in syns, but should be had in moderation since a tablespoon could have up to 3 syns on the plan.
Down below in our syn guide, we will discuss how much caster sugar you can have on slimming world, syn values of sugar and some low syn alternatives to help save you syns.
At 1 syn a teaspoon, you can have up to 15 teaspoons of caster sugar on the slimming world plan before using all your syns making it low in syns but should be consumed within moderation.
We recommend measuring out your portion of caster sugar on the slimming world plan to avoid using too many syns by accident.
Sugar has a similar syn value no matter the type you choose, to help you compare syns, we've listed some different options down below.

If you find caster sugar to be too high in syns, there are plenty of low-syn alternatives to check out to sweeten your drinks and baked goods without too many syns.

Overall, caster sugar is quite low in syns having just 1 syn per teaspoon, you could have up to 15 teaspoons of this sugar on the SW plan before using all your 15 syn daily allowance. To keep on track with your syns we would suggest weighing out your portion of sugar on the plan.
Syn values are calculated using a formula based on calories, saturated fat and sugar content per serving. They’re not the same as calories — a product can be low in calories but higher in syns if it’s high in sugar or fat. Always check the official Slimming World app for the most accurate and up-to-date syn values.
Yes. When manufacturers reformulate their products, the syn value can go up or down. This is why we recommend double-checking with the Slimming World app or your consultant, especially if a product’s packaging has changed recently.
Most Slimming World members work with 5 to 15 syns per day. Your consultant will advise on the right amount for you. The key is to use your syns on the things you enjoy most — whether that’s a chocolate bar, a glass of wine, or a packet of crisps.
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