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Food and dish guide

Corn flakes: allergens and what’s inside

Of 411 packs of corn flakes whose ingredients Open Food Facts reads in full, 63% list gluten and 6% list peanuts. Another 37% carry a “may contain” line for tree nuts. Most list corn, salt and sugar.

By Bravoora teamUpdated 13 October 2026Sources checked 13 October 20263 sourcesHow we check

Not for you

for a gluten-free profile, on 63% of these packs

Which allergens are in corn flakes?

Of 411 packs of corn flakes whose ingredient list Open Food Facts reads in full, 63% list gluten, 6% list peanuts, 5% list soy and 5% list milk. Another 37% carry a “may contain” line for tree nuts, 35% for milk and 35% for soy. Recipes differ from pack to pack, so the label in your hand is the one that counts.

Coeliac or gluten-freeNot for you63% list gluten; 10% more carry a “may contain” line for it.

Peanut allergyHeads up6% list peanuts; 24% more carry a “may contain” line for them.

Soy allergyHeads up5% list soy; 35% more carry a “may contain” line for it.

Milk allergyHeads up5% list milk; 35% more carry a “may contain” line for it.

Sesame allergyHeads up3% list sesame; 15% more carry a “may contain” line for it.

Tree nut allergyHeads up2% list tree nuts; 37% more carry a “may contain” line for them.

Not for you when most of these packs list the allergen, Heads up when fewer do or only a “may contain” line names it. In the app, a profile gets Not for you on a pack that lists the allergen and Heads up on one whose “may contain” line names it: it reads the pack in your hand, not these counts.

Read the gluten guide

What are corn flakes usually made of?

The ingredients most packs of corn flakes list, with the share of packs that list each: corn (93%), salt (89%), sugar (76%) and barley malt extract (45%).

Packs in Open Food Facts, by country of sale: France 420 · Spain 192 · United States 188 · Italy 185.

Counted on 13 October 2026 from the Open Food Facts product database, which volunteers fill from real packs: it shows what these packs list, not every recipe for corn flakes.

Calories and nutrients

Not shown here. Open Food Facts records calories and nutrients per 100 g or per 100 ml without saying which, so a figure for all these packs together could mislead. The pack you buy prints its own, and that is the figure to log.

What kind of food are corn flakes?

In the Open Food Facts categories, corn flakes are one of the cereal flakes.

What else are corn flakes called?

French: Corn-flakes, pétales de maïs
German: Cornflakes
Spanish: Copos de maíz tostado
Italian: Cornflakes
Dutch: Cornflakes
Portuguese: Flocos de milho
Polish: Płatki kukurydziane

Bravoora reads every pack 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

Every share is counted over the packs whose ingredient list Open Food Facts reads in full. A pack lists an allergen when Open Food Facts’ allergen field names it, or when one of its ingredients stands for it by the same two-of-three checks as the ingredient dictionary (tahini is sesame, a cheese is milk). A “may contain” line counts only for an allergen the pack does not list.

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

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