Is it ultra-processed?
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Is Tesco Oyster Sauce ultra-processed?

150 ml Oyster sauces Sold in the United Kingdom and Ireland

Pack of Tesco Oyster Sauce

It's processed, but not ultra-processed

  1. 1 Unprocessed
  2. 2 Kitchen staple
  3. 3 Processed
  4. 4 Ultra-processed

Whole foods combined with:

  • 11 ingredients
  • 1 additive
  • Nutri-Score E

Less processed sauces

Less processed isn't automatically healthier, so compare the labels for what matters to you, such as sugar or salt.

Ingredients

Ultra-processing Processing signs are highlighted

water, sugar, salt, malted barley extract, cornflour oyster extract 1.5%, oyster contains (tapioca starch), oyster, salt, sunflower oil, rosemary extract

Additives: E392 Extracts of rosemary

As written on the pack

water, sugar, salt, malted barley extract, cornflour oyster extract (1,5%), oyster extract contains: tapioca starch, oyster extract ( mollusc ), salt, sunflower oil, rosemary extract,

What makes it processed

Culinary ingredients

Kitchen staples like sugar, salt and oil. On their own they make a food processed, not ultra-processed.

  • Salt Salt, added for taste and preservation.
  • Starch Starch extracted from cereals or potatoes, used to thicken.
  • Sugar Sugar refined from sugar cane or beet.
  • Vegetable oil Vegetable oils are pressed or extracted from seeds, nuts and fruits.

How the NOVA groups work

Among 13 oyster sauces

From least to most processed, this one ranks 2nd. 77% of the oyster sauces here are ultra-processed.

Ranked by NOVA group, then by the number of ultra-processing signs, additives and ingredients. Our ordering, not part of NOVA.

All 13 oyster sauces, least processed first

About this information

  • Data from this product on Open Food Facts (barcode 5051140592813, last edited 29 September 2026), available under the Open Database License. If something is wrong or the recipe has changed, you can correct it there.
  • Photo: Open Food Facts contributors, CC BY-SA 3.0.
  • The NOVA group is an automated estimate from crowdsourced data: a missing or mistyped ingredient can change it.
  • NOVA measures processing, not nutrition. For nutrition, Open Food Facts gives this product a Nutri-Score of E (from A, best, to E).
  • General information, not medical or dietary advice. Check the pack if you have an allergy.