108 %
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 custard?
285kcal
in a 300 g serving
95 kcal per 100 g.
Source: UK CoFID 2021, record 12-519. Checked 5 October 2026.
6 gFat
12 gProtein
49.2 gCarbohydrate
108 %Daily vitamin B12
What’s in a 300 g serving
More than half of a serving is water. The rest is 49.2 g carbohydrate and 12 g protein.
- 6 gFat
- 12 gProtein
- 49.2 gCarbohydrate
- 232 gWater
- 0.6 gMinerals and the rest
Below average for dishes
Custard is 95 kcal per 100 g. The 603 dishes in this database average 180.
Custard95
Dishes average180
Low in fat
2 g of fat per 100 g; the UK “low fat” line is 3 g.
Fat, per serving6 g
Saturates, per serving3.7 g
Vitamins and minerals in custard
One of the 21 recorded reach the “high in” level. Vitamin B12 leads.
Only a trace
- Vitamin D
- Fibre
Show all 21 with amounts
Vitamin B120.0027 mg, 108 %
Iodine0.105 mg, 70 %
Riboflavin (vitamin B2)0.75 mg, 54 %
Calcium420 mg, 53 %
Chloride381 mg, 48 %
Phosphorus333 mg, 48 %
Pantothenic acid (vitamin B5)2.1 mg, 36 %
Potassium552 mg, 28 %
Biotin0.0102 mg, 20 %
Niacin (vitamin B3)2.7 mg, 17 %
Zinc1.5 mg, 15 %
Vitamin B60.18 mg, 13 %
Folate0.024 mg, 12 %
Magnesium39 mg, 10 %
Vitamin A0.069 mg, 8.6 %
Thiamin (vitamin B1)0.09 mg, 8.2 %
Selenium0.003 mg, 5.5 %
Vitamin C3 mg, 3.8 %
Copper0.03 mg, 3 %
Iron0.33 mg, 2.4 %
Vitamin E0.12 mg, 1 %
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 custard doesn’t give you. And where to find it.
No recorded vitamin D, and only 1.3 % of the vitamin C reference intake and 1.8 % of the selenium reference intake per 100 g.
Vitamin D
Tracein custard
Find it inBloater, grilled500 % per 100 g
Vitamin C
1.3%in custard, per 100 g
Find it inCherries, West Indian2150 % per 100 g
Selenium
1.8%in custard, per 100 g
Find it inKidney, pig, fried491 % per 100 g
100 mgVitamin C, 125 %
0.075 mgSelenium, 136 %
0.00125 mgVitamin D, 25 %
Or one scoop of Immufix
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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.
Custard against other dishes
Custard comes second for vitamin B12 here, just behind flan (cheese and mushroom, wholemeal).
0.0013mg
0.0009mg
0.0008mg
0.0005mg
0.0004mg
0.0004mg
Flan, cheese and mushroom, wholemeal+0.0004 mg
Custard, made up with semi-skimmed milkthis page
Flan case, pastry−0.0001 mg
Pie, Cottage−0.0004 mg
Tart, bakewell−0.0005 mg
All values per 100 g, from the same dataset. Differences are against custard.
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Questions about custard
Four questions chosen by the facts above, so every food answers differently.
How many calories are in a portion of custard?
A typical portion (300 g, one serving) gives 285 kcal. Per 100 g the figure is 95 kcal.
Is custard high in vitamin B12?
Yes. Custard, made up with semi-skimmed milk has 0.0009 mg vitamin B12 per 100 g, 36 % of the NRV, above the 30 % threshold for a “high in” claim.
Are these figures exact for custard?
No. They are calculated from a standard recipe in the UK Composition of Foods Integrated Dataset (CoFID, 2021). A different recipe, portion of sauce or cooking method will move them, so read them as a typical estimate.
Which vitamins and minerals does custard have most of?
By share of the daily reference intake: vitamin B12 (0.0009 mg, 36 %), iodine (0.035 mg, 23 %) and riboflavin (0.25 mg, 18 %) per 100 g.
How these numbers were made
Every figure comes from the UK Composition of Foods Integrated Dataset (CoFID), 2021 edition, record 12-519, Custard, made up with semi-skimmed milk, published by Public Health England under the Open Government Licence v3.0; this record is a calculated recipe estimate. Main data references: Updated 2013. Values are per 100 g of the edible part; a serving is 300 g, one serving, the usual UK portion for dishes. Reference intakes follow Regulation (EU) 1169/2011 Annex XIII as retained in GB law; “source of”, “high in” and “low” follow Regulation (EC) 1924/2006, assessed per 100 g. Function lines are the authorised wording from the GB register of nutrition and health claims, credited to the nutrient. Energy is rounded to the whole kcal and kJ; other amounts to one decimal, or two below 1. A trace is shown as “trace” and never gets a figure or a badge; a nutrient never analysed is left off the page. We start from the dataset’s 2,887 records and keep 2,322: records weighed with bone, shell or skin, alcoholic drinks, infant foods, brand-named products, records with fewer than eight measured vitamins and minerals and near-identical variants are left out. Group context uses the 603 dishes kept from the dataset; a rank counts only the foods with a measured figure for that nutrient. Merged variant: made with skimmed milk: 81 kcal, 0.3 g fat, 0.16 g saturates; made with whole milk: 114 kcal, 4.2 g fat, 2.64 g saturates. Food images are illustrations from Ingredient Atlas, released under CC0; they show the food, not the measured sample, and where no illustration of the exact food exists the nearest one is shown (here: Cream). Checked 5 October 2026. Contains public sector information licensed under the Open Government Licence v3.0.
More dishes
From the same group, with calories per 100 g, and the foods with the most vitamin B12.
More dishes
- Pie, vegetable160 kcal
- Salad, rice168 kcal
- Vegeburger, retail, grilled161 kcal
- Callaloo and okra73 kcal
- Curry, chick pea, whole and potato119 kcal
- Duck a l'orange, excluding fat and skin122 kcal
- All 603 dishes
Most vitamin B12
- Liver and bacon, fried0.0666 mg
- Liver and onions, stewed0.0299 mg
- Seafood selection0.015 mg
- Liver, ox, raw0.11 mg
- Liver, ox, stewed0.11 mg
- Liver, lamb, fried0.083 mg
- Vitamin B12 guide