Vitamin B12 contributes to normal energy-yielding metabolism, to the normal function of the immune system and to the reduction of tiredness and fatigue.
How many calories are in chocolate eclairs pastries?
229kcal
in a 60 g slice
381 kcal per 100 g.
Source: UK CoFID 2021, record 11-1064. Checked 5 October 2026.
14.8 gFat
2.5 gProtein
0.42 gFibre
14 %Daily vitamin B12

What’s in a 60 g slice
About a third of a slice is carbohydrate, 15.6 g of it sugars and 7.1 g starch.
- 14.8 gFat
- 2.5 gProtein
- 22.8 gCarbohydrate
- 0.42 gFibre
- 21.1 gWater
About average for cakes, biscuits and pastries
Chocolate eclairs pastries are 381 kcal per 100 g. The 134 cakes, biscuits and pastries in this database average 394.
High in sugar
26 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 chocolate eclairs pastries
Two of the 18 reach the “source of” level, vitamin B12 first; none reaches “high in”.
Only a trace
- Vitamin C
Show all 18 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 chocolate eclairs pastries don’t give you. And where to find it.
No recorded vitamin C, and only 2.9 % of the vitamin B6 reference intake and 4 % of the folate reference intake per 100 g.
Vitamin C

Vitamin B6

Folate

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.
Chocolate eclairs pastries against other cakes, biscuits and pastries
Per 100 g, chocolate eclairs pastries have the most vitamin B12 of the 6 here, ahead of gulab jamen/jambu (retail).
All values per 100 g, from the same dataset. Differences are against chocolate eclairs pastries.

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Questions about chocolate eclairs pastries
The questions people ask about chocolate eclairs pastries, answered from the dataset.
How many calories are in a portion of chocolate eclairs pastries?
Is chocolate eclairs pastries a source of vitamin B12?
Are these figures exact for chocolate eclairs pastries?
Which vitamins and minerals do chocolate eclairs pastries have most of?
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 vitamin B12.



More cakes, biscuits and pastries
- Tarts, jam382 kcal
- Biscuits, jam filled428 kcal
- Cake, chocolate fudge358 kcal
- Cakes, crispie460 kcal
- Flapjacks, retail434 kcal
- Oatcakes, plain, retail453 kcal
- All 134 cakes, biscuits and pastries
Most vitamin B12
- Cake, sponge, fatless0.0016 mg
- Cake, Swiss roll0.0012 mg
- Pastry, choux, cooked0.0011 mg
- Liver, ox, raw0.11 mg
- Liver, ox, stewed0.11 mg
- Liver, lamb, fried0.083 mg
- Vitamin B12 guide