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Ingredient dictionary

Oyster on a food label: it contains molluscs

Oyster is a kind of mollusc. It contains molluscs, so the allergen labelling rules apply. It is not vegan. Open Food Facts finds it in 610 products, most often in dressings and sauces. Per 100 g: about 67 kcal and 8.6 g protein.

By Bravoora teamUpdated 13 October 2026Sources checked 13 October 20268 sourcesHow we check

Not for you

for a shellfish allergy profile

Oyster=molluscs

Does oyster contain an allergen?

Yes. Oyster contains molluscs: labels in the UK, Europe and the Gulf must declare it; in the US it is not a listed allergen.

Allergen	US	UK and Europe	Gulf
Molluscs	Not required	Required	Required

Read the crustaceans and molluscs guide

Is oyster vegan?

No. Oyster is not vegan: it comes from an animal. It is not vegetarian either.

VeganNot for youNot vegan: it comes from an animal.

VegetarianNot for youIt comes from fish or shellfish.

Shellfish allergyNot for youIt contains molluscs.

A pack can differ from the usual recipe: the app reads the label in your hand.

What other names does oyster have on a label?

In English oyster can also read “oysters”. On European labels it is “huître” in French, “Austern” in German and “ostra” in Spanish. The other 8 languages are listed below.

In Englishoysters

French: huître, huitre
German: Austern
Spanish: ostra, ostras
Dutch: oester
Portuguese: ostra
Danish: Østers
Norwegian: Østers
Finnish: osteri, osterit
Romanian: Stridie
Croatian: kamenica
Turkish: İstiridye

Which foods contain oyster?

Open Food Facts lists oyster or a more specific kind of it in the ingredients of 610 products, most often dressings and sauces, ready meals and fish and seafood. Most of them are sold in the United States, France and Belgium.

Dressings and sauces139
Ready meals96
Fish and seafood92
Pasta, rice and flour19
Poultry11
Vegetables5

Products with it, by country of sale: United States 320 · France 135 · Belgium 37 · Germany 31.

Counted on 13 October 2026 from the Open Food Facts product database, which volunteers fill from real packs: it shows where oyster turns up, not how much of the market it is.

How many calories are in oyster?

Oyster has about 67 kcal per 100 g, with 8.6 g protein, 3.9 g carbohydrate and 1.9 g fat. The figures are for the entry “Oyster, raw” in CIQUAL, the French food composition table published by ANSES.

67kcal per 100 g

8.6g protein

3.9g carbohydrate

1.9g fat

Also per 100 g: sugars 0 g, saturated fat 0.3 g, fibre 0 g, salt 1.45 g, energy 283 kJ.

ANSES CIQUAL table, CALNUT 2020 edition, food code 10011. A product’s own nutrition panel is the figure to log.

What kind of ingredient is oyster?

Oyster is a kind of mollusc.

Kinds of oysterPacific oysterEuropean oysters

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dietitians, doctors and trainers

Sources

An allergen is stated only when two of three checks agree: the Open Food Facts record, Bravoora’s label checker, and the ingredient’s own name or family (oat flour is oats, a cheese is milk). Every name where they disagree waits for a person to review it.

Contains information from Open Food Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

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