Food and dish guide

Tomato ketchup: allergens and what’s inside

Of 311 packs of tomato ketchup whose ingredients Open Food Facts reads in full, 16% list celery and 2% list mustard. Another 7% carry a “may contain” line for celery. Most list salt, tomato and vinegar.

By Bravoora teamUpdated Sources checked 3 sourcesHow we check

Not for you

for a celery allergy profile, on 16% of these packs

Which allergens are in tomato ketchup?

Of 311 packs of tomato ketchup whose ingredient list Open Food Facts reads in full, 16% list celery, 2% list mustard and 1% list sulphites. Another 7% carry a “may contain” line for celery, 5% for mustard and 3% for milk. Recipes differ from pack to pack, so the label in your hand is the one that counts.

Celery allergyHeads up16% list celery; 7% more carry a “may contain” line for it.
Mustard allergyHeads up2% list mustard; 5% more carry a “may contain” line for it.
Sulphite sensitivityHeads up1% list sulphites.
Milk allergyHeads up3% carry a “may contain” line for milk.
Egg allergyHeads up1% carry a “may contain” line for egg.

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.

What is tomato ketchup usually made of?

The ingredients most packs of tomato ketchup list, with the share of packs that list each: salt (98%), tomato (96%), vinegar (94%) and sugar (82%).

Packs in Open Food Facts, by country of sale: United States 218 · France 169 · United Kingdom 109 · Germany 83.

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 tomato ketchup.

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 is tomato ketchup?

In the Open Food Facts categories, tomato ketchup is a kind of ketchup.

What else is tomato ketchup called?

French
Ketchup de tomate
German
Tomatenketchup
Polish
Ketchup pomidorowy, Keczup pomidorowy
Swedish
Tomatketchup
Danish
Tomatketchup

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.

  1. Open Food Facts: product database, 4,535,553 products, read 13 October 2026, ODbL
  2. Open Food Facts: categories and ingredients taxonomies (names, kinds, allergens), ODbL
  3. Open Food Facts: Tomato ketchup

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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