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Syns & Slimming World

How Many Syns in Shreddies?

By Jenny Updated

Shreddies are one of those breakfast cereals that quietly does the right thing on Slimming World without any of the fuss that surrounds trendier options. Made from interwoven strands of wholegrain wheat, each little lattice pillow brings genuine fibre to the table, which is exactly the sort of slow-release fuel that keeps the mid-morning biscuit tin at arm's length. On plan, a 40g portion of plain Shreddies counts as a Healthy Extra B, meaning you get a properly satisfying bowlful for nothing on your daily syns allowance, provided you measure rather than eyeball.

The weighing point matters more than people think. A casual pour from the box usually lands closer to 55-60g, which tips you over the HExB threshold and turns your free breakfast into a syns-counting exercise. A set of digital scales on the worktop solves it in seconds, and most members find that once they see what 40g actually looks like in their usual bowl, the portion stops feeling stingy and starts feeling normal. Pair it with skimmed milk from your Healthy Extra A and fresh fruit as Speed, and you've built a breakfast that ticks three plan boxes before the kettle has finished.

The flavoured versions, frosted, coco, honey and so on, behave very differently. The added sugar coating bumps the syn value significantly and removes the HExB status entirely, so they're best treated as an occasional syns breakfast rather than a daily staple. Plain Shreddies remain the workhorse of the range for SW purposes. Some members like to crush a few over fat-free yoghurt with berries for a yoghurt-bowl variation, others top theirs with sliced banana, and a generous splash of milk softens the texture nicely without needing sugar. It's an unglamorous, dependable, weigh-it-and-go choice that consistently earns its place on the breakfast table.

Per serving

Shreddies — syn values

Portion Syns kcal
30g (non-HExB) 3.5 105
40g as HExB FREE as HExB 140
40g (non-HExB) 5 140
50g bowl 6 175
60g large bowl 7 210
Single Shreddie (approx) 0.5 4
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 Shreddies.

11.7syns / 100g
Syns per 100g
useful for comparing brands
23%
of a 15-syn day
based on standard daily allowance
30kcal / syn
calories per syn
the lower, the more 'value' your syns get
6
portion sizes covered
from snack to full serving
7syns
saved by using as HEx
per day, if used as your daily Healthy Extra
0.5syns
cheapest portionat Single Shreddie (approx)
smallest serving

Brand breakdown

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

Brand Product Portion Syns kcal
Nestlé Original Shreddies 40g HExB FREE as HExB 140
Nestlé Original Shreddies 30g 3.5 105
Nestlé Frosted Shreddies 40g 7 152
Nestlé Coco Shreddies 40g 7.5 154
Nestlé Honey Shreddies 40g 7 150
Nestlé Max Shreddies Vanilla 40g 7.5 155
Tesco Wheat Shreds 40g HExB FREE as HExB 138
Sainsbury's Malt Wheats 40g HExB FREE as HExB 139

Lower-syn alternatives

Swaps that keep the feel of the original without the syn hit.

Weetabix (2 biscuits as HExB)

Free as HExB

Two Weetabix as your HExB give a Free breakfast with similar wholegrain fibre to Shreddies. They are slightly easier to portion since you just count two biscuits rather than weighing 40g. Top with berries and skimmed milk from your HExA for a filling, zero-Syn start to the day.

Shredded Wheat (2 biscuits as HExB)

Free as HExB

Two Shredded Wheat biscuits as your HExB are Free and made from nothing but whole wheat, so there is zero added sugar. They feel substantial in the bowl and keep you fuller for longer than smaller cereal pieces. A good swap if you find yourself over-pouring Shreddies.

Bran Flakes (as HExB portion)

Free as HExB

A measured portion of Bran Flakes as your HExB is Free on Slimming World and offers a similar texture to Shreddies with extra fibre. They pair well with fat-free yogurt and fruit for variety from a traditional milk-and-cereal bowl. The higher fibre helps with satiety through the morning.

FAQs

How many syns in Shreddies?

A 40g portion of original Shreddies is Free when used as your Healthy Extra B on Slimming World. If not counted as HExB, the same 40g costs 5 Syns. A 30g portion (non-HExB) is 3.5 Syns, a 50g bowl is 6 Syns, and a 60g large bowl is 7 Syns. Flavoured versions like Frosted or Coco Shreddies are around 7-7.5 Syns per 40g and do not qualify as HExB.

Are Shreddies free on Slimming World?

Original Shreddies are Free when measured at 40g and used as your daily Healthy Extra B. They are not an unlimited Free Food, so you cannot eat them freely throughout the day. Beyond the HExB portion, extra Shreddies must be Synned at roughly 5 Syns per 40g. Flavoured varieties like Honey Shreddies (7 Syns per 40g) and Coco Shreddies (7.5 Syns per 40g) are never HExB eligible.

Can you have Shreddies as a Healthy Extra B?

Yes, 40g of original Shreddies counts as your Healthy Extra B on Slimming World. Own-brand equivalents like Tesco Wheat Shreds and Sainsbury's Malt Wheats also qualify at 40g. Weigh your portion on digital scales rather than pouring from the box, because a casual pour usually lands at 55-60g, which would push you over your HExB and into Syn territory at 6-7 Syns.

How many syns in Coco Shreddies?

Coco Shreddies are 7.5 Syns per 40g portion on Slimming World. They do not qualify as a Healthy Extra B because of the added sugar and cocoa coating. Frosted Shreddies and Honey Shreddies are similarly high at 7 Syns per 40g. If you want the Shreddies experience for Free, stick to the plain original version as your HExB and add sliced banana or berries for natural sweetness.

Lower-syn cereal alternatives

Food Portion Syns vs current
Oatibix 2 biscuits (45g) HEB portion FREE −0.5 syns

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