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Syns & Slimming World

How Many Syns in Bran Flakes?

By Jenny Updated

Bran Flakes have earned a steady reputation among Slimming World members as one of the most dependable breakfast options on the plan, and once you understand how the cereal slots into the system, it is easy to see why. The flakes themselves are made from wheat bran that has been toasted and lightly sweetened, giving them a malty, slightly nutty character and a satisfyingly crisp bite that holds up well against cold milk.

From a plan perspective, a 40g portion qualifies as a Healthy Extra B choice, which means you can enjoy a generous bowl without it touching your daily Syn allowance, provided you weigh it out properly. That is the crucial bit: a casual pour straight from the box can easily double the intended serving, and anything above the 40g mark stops being a HExB and starts adding Syns, so a kitchen scale really does become your best friend here.

Beyond the Syn maths, Bran Flakes carry a serious fibre punch, which supports the kind of slow, steady digestion that helps you stay full through the mid-morning slump when a slice of toast might have you rummaging for biscuits by ten. Members often pair them with sliced banana, fresh berries or a spoonful of fat-free natural yoghurt to bulk the bowl out into something that feels indulgent without breaking the budget.

They also lend themselves nicely to homemade trail mixes, yoghurt toppings and even savoury crumb coatings if you fancy something a bit different. If you prefer warmer breakfasts, a quick splash of hot skimmed milk transforms them into a comforting porridge-style bowl.

For anyone rebuilding their morning routine on plan, Bran Flakes are an honest, practical, fibre-rich workhorse worth keeping in the cupboard.

Per serving

Bran Flakes — syn values

Portion Syns kcal
30g (non-HExB) 3 103
40g as HExB FREE as HExB 137
40g (counted as Syns) 7 137
50g bowl 8 172
60g large bowl 10 206
100g (per 100g) 17 343
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 Bran Flakes.

10.0syns / 100g
Syns per 100g
useful for comparing brands
20%
of a 15-syn day
based on standard daily allowance
34kcal / syn
calories per syn
the lower, the more 'value' your syns get
6
portion sizes covered
from snack to full serving
17syns
saved by using as HEx
per day, if used as your daily Healthy Extra
3syns
cheapest portionat 30g (non-HExB)
smallest serving

Brand breakdown

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

Brand Product Portion Syns kcal
Kellogg's Bran Flakes 40g (HExB) FREE as HExB 137
Kellogg's Bran Flakes 30g 3 103
Tesco Bran Flakes 40g (HExB) FREE as HExB 135
Sainsbury's Bran Flakes 40g (HExB) FREE as HExB 136
Asda Bran Flakes 40g (HExB) FREE as HExB 138
Morrisons Bran Flakes 40g (HExB) FREE as HExB 136
Aldi Harvest Morn Bran Flakes 40g (HExB) FREE as HExB 137
Lidl Crownfield Bran Flakes 40g (HExB) FREE as HExB 136

Lower-syn cereal alternatives

Food Portion Syns vs current
Oatibix 2 biscuits (45g) HEB portion FREE −3 syns
Oat Bran 28g as HExB 1.5 −1.5 syns
Chia Seeds 1 tbsp (10g) 2 −1 syns
Shredded Wheat 2 biscuits (45g) as HExB 2 −1 syns
All-Bran 40g as HExB 2.5 −0.5 syns

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