Low-Syn Breads: How Many Syns in Warburton Thins?

Updated on 
9 March, 2026

Low-Syn Breads: Syn Values for Warburton Thins & More

Warburton thins are all the rage in the dieting world, these bread thins are excellent for sandwiches and thanks to their thin size, they have little calories too, but just how many syns do they have?

Warburtons thins have 5 syns in per thin making them a great low syn lunch and alternative to regular bread which is higher in syns. 

To help you out with tracking your Warburton thins we've put together a small guide below which will discuss why Warburton thins are low in syns, how they compare to regular bread, some syn values of the Warburton range plus low syn alternatives to this bread.

Why Are Warburton Thins So Low In Syns?

At just 5 syns a thin, Warburtons thins are low in syns for a sandwich, they are low in syns not due to their ingredients but mainly due to their thin size instead.

You could have up to three sandwiches with these thins before using all of your daily syn allowances, you should however consider the fillings inside of the thins too.

To keep your thins sandwich low in syns you could put some SYN FREE fillings in such as tuna in the brine, chicken, quark and more.

How Do Warburton Thins & Regular Bread Compare?

If you are looking to save syns on your lunch sandwich then you might be wondering just how many syns you can save by switching to thins, well, the average slice of white bread has around 3 syns, so having two would cost you 6 syns, making it slightly higher.

You could also use wholemeal bread as a Healthy Extra B up to 400g, so two 200g slices could be syn free!

Warburton Bread Syn Values

Warburtons have a couple of different options when it comes to their thin pieces of bread range, so to help you stay on track we've listed the rest of them below along with their syns.

  • Warburtons White Sandwich Thins 6 Pack - 5 syns.
  • Warburtons 6 Brown Sandwich Thins - 5 syns.
  • Warburtons Thin Bagels Plain 6 Pack - 6.5 syns.
  • Warburtons White Thins Gluten Free 4 Pack 200G - 6.5 syns.
  • Warburton 4 Protein Thin Bagels - 8 syns.
  • Warburtons Thin Bagels Cinnamon & Raisin 6 Pack - 6.5 syns.

Low Syn Alternatives To Warburton Syns

Warburtons are not the only option out there when it comes to making low syn sandwiches, there are plenty of other brands which have low syn bread too.

We've listed a few of our favourite alternatives below.

  • New York Bakery Bagel Thins The Original 4 Pack - 6 syns.
  • New York Bakery Co. Seeded Bagel Thins - 6 syns.
  • Deli Kitchen Seeded Folded Flatbread Thins - 5.5 syns.
  • Deli Kitchen Plain Folded Flatbread Thins - 5.5 syns.
  • Village Bakery High Protein Sandwich Thins 4 Pack - 6 syns.
  • Village Bakery Soft White Sliced Sandwich Thins 6 Pack - 5 syns.
  • Village Bakery Soft Brown Sliced Sandwich Thins 6 Pack - 5 syns.
  • M&S Made Without Seeded Sandwich Thins - 6.5 syns.
  • Village Bakery Both In One Sandwich Thins 6x40g - 5 syns.
  • Village Bakery Plain Bagel Thins 6 Pack - 6 syns.

Final Words

Overall, at 5 syns per thin, Warburtons thins are very low in syns to make a great low syn lunch, they are however not much lower in syns than normal bread with only a 1 syns difference. If your looking for some other low syn alternatives to Warburtons Thins check out our list above which are all under 7 syns.

Frequently Asked Questions

How are syn values calculated?

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.

Do syn values change?

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.

How many syns should I have per day?

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.

Jennifer
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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