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Syns & Slimming World

How Many Syns in Bagel?

By Jenny Updated

Bagels are a dense, ring-shaped bread roll with a characteristically chewy crumb and glossy crust, a texture achieved by briefly poaching the shaped dough in water before it is baked in a hot oven. Originally brought to the United Kingdom by Eastern European Jewish communities, the bagel has firmly established itself as a beloved staple on British supermarket shelves and in high-street cafés from Edinburgh to Exeter. Whether you prefer yours plain and simply toasted or loaded with smoked salmon and fat-free soft cheese, a bagel offers a satisfying and endlessly versatile base for all manner of fillings.

On the Slimming World plan, bagels are neither Free Food nor a Healthy Extra B choice, which means the full Syn cost applies every time you reach for one. A standard plain bagel weighing around 85g typically carries 10 Syns, a reflection of the calorie-dense, enriched dough used to achieve that trademark chew. Compared with a couple of slices of nimble bread, the Syn spend is considerably higher, so bagels are best treated as an occasional pleasure rather than an everyday staple.

That said, there are smart ways to enjoy them without blowing your daily budget in one sitting. Bagel thins — the slimmer, lighter version now widely available in supermarkets — come in at around 5 to 5.5 Syns, giving you that authentic bagel experience for roughly half the cost. Alternatively, cutting a full bagel in half and saving the other half for another meal means you get the flavour and chew you crave for around 5 Syns per portion.

Wholemeal bagels offer a modest fibre boost over their white counterparts, though the Syn values remain broadly similar. When building your bagel, lean into Free Food fillings such as sliced turkey, fat-free cottage cheese, cucumber ribbons, and plenty of salad leaves to keep the overall meal as Syn-efficient as possible. A thoughtfully assembled bagel can absolutely earn its place on plan — it is simply a case of synning it honestly and savouring every bite.

Per serving

Bagel — syn values

Portion Syns kcal
½ plain bagel (42g) 5 110
1 bagel thin (49g) 5.5 120
1 mini bagel (45g) 5.5 116
1 plain bagel (85g) 10 219
1 wholemeal bagel (85g) 9.5 202
1 sesame bagel (90g) 10.5 232
1 large bagel (105g) 12.5 271
Syn values are based on Slimming World 2026 guidance. Always double-check with your group or app.

Numbers at a glance

Quick auto-calculated stats for Bagel.

11.9syns / 100g
Syns per 100g
useful for comparing brands
33%
of a 15-syn day
based on standard daily allowance
22kcal / syn
calories per syn
the lower, the more 'value' your syns get
7
portion sizes covered
from snack to full serving
5syns
cheapest portionat ½ plain bagel (42g)
smallest serving

Brand breakdown

Popular supermarket and branded products, with the portion-level syn count.

Brand Product Portion Syns kcal
New York Bakery Co Original Bagels 1 bagel (85g) 10 219
New York Bakery Co Bagel Thins Original 1 thin (49g) 5.5 120
Warburtons Plain Bagels 1 bagel (85g) 10 210
Hovis Wholemeal Bagels 1 bagel (85g) 9.5 202
Tesco Plain Bagels 1 bagel (90g) 10.5 225
Sainsbury's Plain Bagels 1 bagel (85g) 10 215
M&S Classic Plain Bagels 1 bagel (90g) 11 230

Lower-syn bread alternatives

Food Portion Syns vs current
Cornflour 1 tbsp (8g) 1.5 −3.5 syns
Plain Flour 1 tbsp (15g) 2.5 −2.5 syns
Breadcrumbs 1 tbsp (15g) 3 −2 syns
Crumpet 1 crumpet (40g) 3.5 −1.5 syns
Corn Tortilla 1 small corn tortilla (30g) 3.5 −1.5 syns

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