How Many Syns In A Double Decker? Find Out Here!

Updated on 
15 May, 2022

Are Double Deckers Syn Friendly On Slimming World? Can I Eat Them?

If the afternoon slump hits, and you reach for a double decker as a quick pick me up, you need to know how many syns this chocolate bar will cost you so it does not affect your weight loss in the slimming world.

How Many Syns In A Double Decker?

Double deckers have 9.5 syns for a 40g bar, making them very high in syns, we would suggest only consuming these chocolate bars as the occasional treat when your syns allow. 

In our guide below, we will take you through why Double Decker chocolate bars are so high in syns, a few other syn values of other Cadbury chocolate bars and some low syn alternative chocolate bars to help with your sweet tooth.

Why Are Double Decker Chocolate Bars So High In Syns?

At 9.5 syns for 40g, 12.5 syns for their 54.5g bars and 8.5 syns for the 37.3g bar, Double Deckers are a very high syn chocolate bar. Two 40g bars would put you well over your daily syn allowance for the day of 15 syns.

These bars get their high syn values since they are essentially two chocolate bars in one, with a chocolate coating, then nougat and cereal inside to give the other bars, this means just one Double Decker has up to 20g of sugar and 6.5g of fat for a 40g bar.

This isn't to say you can't have a Double Decker and still lose weight on the SW plan, you just have to factor them into your syns and save the majority of your allowance for this treat.

Cadbury Chocolate Bar Syn Values

Cadburys have a huge range of popular chocolate bars with varying syn values, to help you keep on track, we've listed some more syn values of their bars down below.

  • Cadbury Dairy Milk Fruit & Nut (each chunk) – 1 syn.
  • Cadbury Dairy Milk Fruit & Nut Chopped 95g bar (per square) – 1 syn.
  • Cadbury Dairy Milk Bar 200g bar (per square) – 1.5 syns.
  • Cadbury Roses Assortment, Hazel Whirl (per sweet) – 2 1/2 syns. 
  • Cadbury Mini White Eggs with Hazelnut Creme Filling (each egg) – 2 1/2 syns.
  • Cadbury Heroes Assortment, Fudge (each sweet) – 2 1/2 syns.
  • Cadbury Dairy Milk Chocolate Mini Oreo Eggs (each) – 3 syns. 
  • Cadbury Fudge Bars (13.5g treat size) – 3 syns. 
  • Cadbury Mini Creme Eggs (11.3g each) – 3 syns. 
  • Cadbury Twirl – 3.5 syns.
  • Cadbury Twirl (21.5g bar) – 5 1/2 syns.
  • Cadbury White, Creamy White Chocolate 180g bar (25g) – 6 1/2 syns. 
  • Cadbury Bitsa Wispa (25g) – 7 syns. 
  • Cadbury Picnic Bars (32g bar) – 7 1/2 syns.  
  • Cadbury Dairy Milk Bar (32.5g bar) – 8 1/2 syns.
  • Cadbury White Buttons (32.4g bag) – 8 1/2 syns. 
  • Cadbury Crunchie (40g bar) – 9 1/2 syns.
  • Cadbury Dairy Milk Turkish Bar (47g bar) – 11 1/2 syns.
How Many Syns In A Double Decker?

Low Syn Alternative Chocolate Bars

If you find Double Deckers to be too high in syns and you want to try out some alternatives, we've got you covered with our list of low syn chocolate bars below.

  • Green & Black’s Dark Chocolate Bar with Ginger - 3.5 syns.
  • Green & Black’s Hazelnuts & Currants Dark Chocolate Bar - 4 syns.
  • Nestle Smarties Mini – 3.5 syns. 
  • Fry’s Strawberry Cream Chocolate Bar - 10 syns.
  • Green & Black’s Dark Chocolate Bar with 70% Cocoa (15g bar) – 4 syns. 
  • Lindt White Chocolate Bar 100g bar (25g) – 8 syns.
  • Nestle Rolos – 2.5 syns for two.
  • Nestle Milkybar Buttons (12g bag) – 3 1/2 syns. 
  • Nestle Toffee Crisp Bitesize – 5 syns for two.
  • Mars Bar (21g bar) – 4 1/2 syns. 
  • Milky Way Bar (21.5g bar) – 5 syns. 
  • Twix Fingers (23g bar) – 5 1/2 syns. 
  • Lindt Milk Chocolate Bar Orange 100g bar – 8 syns a serving.
  • Toblerone Milk (12.5g mini bar) – 3 1/2 syns.
  • Galaxy Ripple (33g bar) – 8 1/2 syns. 
  • Toblerone Dark 100g bar (25g) – 6.5 syns.
  • Toblerone Crispy Coconut 360g bar (per triangle) – 8 1/2 syns.
  • Fry’s Raspberry Cream Chocolate Bar (49g bar) – 10 syns.
  • Fry’s Orange Cream Chocolate Bar (49g bar) – 10.5 syns.
  • Galaxy Salted Caramel (48g bar) – 11 1/2 syns.

Last Words

Overall, Double Deckers take around 9.5 syns for a 40g bar, making them a high syn chocolate treat which should be consumed within moderation, having two of these chocolate bars would take you over your daily syn allowance.

How Many Syns In A Double Decker?

Instead, we suggest checking out lower syn alternatives, or, if you're craving a Double Decker, choose a smaller size, with their 37.3g bar having 8.5 syns.

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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