Manganese contributes to normal energy-yielding metabolism, to the maintenance of normal bones and to the protection of cells from oxidative stress.
How many calories are in flapjacks?
130kcal
in a 30 g serving
434 kcal per 100 g.
Source: UK CoFID 2021, record 11-814, 10 analysed samples. Checked 5 October 2026.
6.8 gFat
1.5 gProtein
1.6 gFibre
27 %Daily manganese

What’s in a 30 g serving
More than half of a serving is carbohydrate, 8.8 g of it sugars and 8 g starch.
- 6.8 gFat
- 1.5 gProtein
- 16.7 gCarbohydrate
- 1.6 gFibre
- 2.8 gWater
- 0.6 gMinerals and the rest
About average for cakes, biscuits and pastries
Flapjacks are 434 kcal per 100 g. The 134 cakes, biscuits and pastries in this database average 394.
High in sugar
29.2 g of sugars per 100 g, which is red on a UK traffic-light label (the line is 22.5 g).
Vitamins and minerals in flapjacks
Two of the 20 reach the “high in” level, led by manganese.
Only a trace
- Vitamin D
- Vitamin B12
- Iodine
None recorded
- Vitamin C
Show all 20 with amounts
Badges use the UK legal thresholds per 100 g: 15 % of the reference intake for “source of”, 30 % for “high in”. A trace is shown as “trace” and never counts.
What flapjacks don’t give you. And where to find it.
No recorded vitamin D, vitamin C or vitamin B12.
Vitamin D

Vitamin C

Vitamin B12

100 mgVitamin C, 125 %
0.075 mgSelenium, 136 %
0.00125 mgVitamin D, 25 %
Or one scoop of Immufix
Every 25 g scoop declares 100 mg of vitamin C, 0.00125 mg of vitamin D and 0.075 mg of selenium, alongside other vitamins and minerals. Vitamin C, vitamin D and selenium contribute to the normal function of the immune system.
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Tracked UK delivery
Free standard delivery to UK addresses. Royal Mail 48 tracked, usually 2 to 3 working days.
Made in Cambridgeshire
Made in the UK since 1998, with every nutrient and its declared amount listed on the label.
Flapjacks against other cakes, biscuits and pastries
Per 100 g, flapjacks have the most manganese of the 6 here, ahead of biscuits (digestive, half coated in chocolate).
All values per 100 g, from the same dataset. Differences are against flapjacks.

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Questions about flapjacks
Four questions chosen by the facts above, so every food answers differently.
How many calories are in a portion of flapjacks?
Is flapjacks high in manganese?
Which vitamins and minerals do flapjacks have most of?
Are flapjacks high in fibre?
How these numbers were made
More cakes, biscuits and pastries
From the same group, with calories per 100 g, and the foods with the most manganese.



More cakes, biscuits and pastries
- Cakes, fancy iced, individual, retail381 kcal
- Pastries, Asian538 kcal
- Pastry, wholemeal, cooked487 kcal
- Tarts, jam382 kcal
- Biscuits, jam filled428 kcal
- Cake, chocolate fudge358 kcal
- All 134 cakes, biscuits and pastries
Most manganese
- Oatcakes, plain, retail3.8 mg
- Oatcakes3.2 mg
- Biscuits, digestive, with oats, plain2.2 mg
- Soup, lentil29 mg
- Saffron28.4 mg
- Ginger, ground28 mg
- Manganese guide