Syns in Wholemeal Bread 800g: Complete Slimming World Guide

Updated on 
9 March, 2026

How Many Syns In Wholemeal Bread 800g? Is It Slimming World Friendly?

If you like a thick slice of toast in the morning for breakfast, you might curious as to how many syns an 800g slice of wholemeal bread has on the slimming world plan.

Is Wholemeal Bread Slimming World Friendly? Is An 800g Slice High In Syns?

An 800g slice of wholemeal bread has 4.5 syns on the slimming world plan making it quite high in syns, however, one slice can also count as your healthy extra B fibre allowance.

In our syn guide below we will take you through how many slices of 800g wholemeal bread you can have on slimming world, which bread counts as your healthy extra b and some low syn options for wholemeal bread.

How Many Slices Of 800g Wholemeal Bread Can I Have On Slimming World?

At 4.5 syns for one 800g slice of wholemeal bread you can have up to around three slices of thick wholemeal bread before using all of your 15 syn daily allowance.

An 800g slice of wholemeal bread is thick which is why it's high in syns, for a standard 400g slice of wholemeal bread you are looking at using 2.5-3 syns a slice meaning you can have up to 5-6 slices.

Wholemeal bread is a great option to have on the slimming world over white bread since it is higher in fibre which can help keep you fuller for longer.

Which Bread Counts As Your Healthy Extra B?

As we mentioned above, wholemeal bread can be used as your healthy extra B which is an allowance you get on the slimming world to boost your fibre intake which can help with weight loss.

Which Bread Counts As Your Healthy Extra B?

One 800g slice of wholemeal bread can be used as your healthy extra B on the plan and two slices of 400g wholemeal bread.

We've listed which other bread counts as your healthy extra B down below.

  • 1 Hovis Wholemeal Sliced Roll.
  • 1 gluten-free roll, brown/high fibre white/multi-seed.
  • 1 Warburtons gluten-free multiseed sandwich thin.
  • 60g wholemeal bread.
  • 3 slices Kingsmill No Crusts Wholemeal Bread (400g loaf).
  • 2 slices of small gluten-free bread, brown/high fibre white /multi-seed.
  • 1 wholemeal roll.
  • 1 thick slice of wholemeal bread (800g sliced loaf).
  • 2 small slices of wholemeal bread (400g sliced loaf).

Low Syn Values Of Wholemeal Bread

If your looking for some healthy low syn options when it comes to wholemeal bread we've listed some great low syn options down below to help you out.

  • Kingsmill Tasty Wholemeal Medium 800G - 4.5 syns a slice.
  • Hovis Wholemeal Medium Bread 800G - 4.5 syns a slice.
  • Warburtons Wholemeal Medium Bread 400G - 3 syns a slice.
  • Tesco Wholemeal Bread 800G - 4.5 syns a slice.
  • M&S Wholemeal Seed Farmhouse Bread Loaf 800g - 5.5 syns a slice.
  • Tesco Finest Wholemeal 800G - 5 syns a slice.
  • Warburtons Wholemeal Medium Bread 800G - 5 syns a slice.
  • Tesco Toastie Wholemeal Thick Bread 800G - 5.5 syns a slice.
  • Tesco Hi Fibre Wholemeal 800G Sliced - 5.5 syns a slice.
  • Hovis Wholemeal Thick Bread 800G - 5 syns a slice.
  • Hovis Nimble Wholemeal Loaf 400G - 2.5 syns a slice.
  • Tesco Farmhouse Wholemeal Loaf 440G - 4 syns a slice.
  • Tesco Finest Wholemeal Seeds And Grains 800G - 5.5 syns a slice.
  • M&S Wholemeal Farmhouse Bread Loaf 800g - 5.5 syns a slice.
Low Syn Values Of Wholemeal Bread

Last Words

To conclude, a slice of 800g wholemeal bread has 4.5 syns on the slimming world making it quite high in syns, you could have up to three slices before using all of your 15 daily syns. To save syns we recommend switching to a 400g slice of wholemeal bread or using one slice of the bread as your healthy extra B fibre allowance.

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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