How Many Syns In Kingsmill Thins? & Lower Alternatives

Updated on 
9 March, 2026

Are Kingsmill Thins Low In Syns?

Thins as an alternative to bread are very popular in the dieting world making low-calorie sandwiches without you having to miss the bread!

Kingsmill thins in particular have 5 syns per thin, making them a great low syn bread choice, but don't differ too much from the syns of regular bread.

To keep you on track with your SW diet we have gone into further detail below about why Kingsmill thins are so low in syns, how they compare to regular bread, as well as some other low syn alternatives for an easy lunch.

Why Are Kingsmill Thins So Low In Syns?

Kingsmills thins are low in syns due to their small size, which reduces the calorie content, you could have up to three syns before using up your allowance for the day making them a great snack or lunch with a sandwich filler.

How Do Kingsmill Thins Differ To Regular Bread?

Normal bread has around 3 syns a slice if we are talking white bread, so using Kingsmill thins saves you around 1 syn which isn't much. You can also use wholemeal thins and wholemeal bread up to 400g as a healthy extra B meaning you don't have to track them as syns.

Low Syn Alternatives To Kingsmill Thins

Kingsmill isn't the only brand of bread thins on the market, we've listed some other popular low syn bread thins alternatives below.

  • New York Bakery Bagel Thins The Original 4 Pack - 6 syns.
  • New York Bakery Co. Seeded Bagel Thins - 6 syns.
  • Warburtons 6 Brown Sandwich Thins - 5 syns.
  • Deli Kitchen Seeded Folded Flatbread Thins - 5.5 syns.
  • Deli Kitchen Plain Folded Flatbread Thins - 5.5 syns.
  • Warburtons White Sandwich Thins 6 Pack - 5 syns.
  • Warburtons Thin Bagels Plain 6 Pack - 6.5 syns.
  • Warburton 4 Protein Thin Bagels - 8 syns.
  • Village Bakery High Protein Sandwich Thins - 6 syns.
  • Village Bakery Soft White Sliced Sandwich Thins - 5 syns.
  • Village Bakery Soft Brown Sliced Sandwich Thins - 5 syns.
  • M&S Made Without Seeded Sandwich Thins - 6.5 syns.
  • Warburtons Thin Bagels Cinnamon & Raisin 6 Pack - 6.5 syns.
  • Village Bakery Both In One Sandwich Thins 6x40g - 5 syns.
  • Warburtons White Thins Gluten - 6.5 syns.
  • Village Bakery Plain Bagel Thins 6 Pack - 6 syns.

Final Words

Overall, Kingsmill bread thins have 5 syns per thin, making them a great low syn bread, they do not however differ too much to regular bread which comes in at 6 syns for two pieces, so it's down to preference. You can also use wholemeal thins and wholemeal bread as your healthy extra B to save even more 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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