Japaneae

Custard Bun — Calories, Nutrition & Ingredients

UPC 4904110034626 Updated 16 Oct 2026

Calories
335per 100 g
Protein
5.8 gper 100 g
Carbs
52 gper 100 g
Fat
11.5 gper 100 g

Where to buy

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Per serving (40 g): 134 calories. Per 100 g: 335 calories, 5.8 g protein, 11.5 g fat.

Label highlights: Fat: medium

Nutrition

Portion size: 40 g

Typical valuesPer 100 gPer portion (%RI*)
Energy 1402 kJ / 335 kcal 561 kJ / 134 kcal (7%)
Fat 11.5 g 4.6 g (7%)
of which saturates — —
Carbohydrate 52 g 20.8 g (8%)
of which sugars — —
Protein 5.8 g 2.3 g (5%)
Salt 51.14 g 20.46 g (341%)

*Reference intake of an average adult (8400 kJ / 2000 kcal)

Calculated from Open Food Facts per-100 g data for the stated serving; values may differ slightly from the package label because of rounding.

Per 100 g and custom amounts

Nutrition per amount

335 calories in 100 g
Protein5.8 g
Carbohydrates52 g
Fat11.5 g
Sodium20458 mg

Ingredient flags

Ingredient list not available — flags cannot be shown.

Data: Open Food Facts (ODbL) · Photo: Open Food Facts contributors (CC BY-SA)

Where to buy Custard Bun

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Frequently asked questions

How many calories are in Custard Bun?

Per 100 g of Custard Bun there are 335 calories.

How much protein is in Custard Bun?

Per 100 g of Custard Bun there are 5.75 g protein.

How many carbohydrates are in Custard Bun?

Per 100 g of Custard Bun there are 52.0 g carbohydrates.

How much sodium (salt) is in Custard Bun?

Per 100 g of Custard Bun there are 20457.5 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.