Is princes mackerel fillets ultra-processed?

Mackerel fillets in oil Sold in the United Kingdom

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:

  • 4 ingredients
  • No additives
  • Nutri-Score E

Less processed mackerel fillets

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

Mackerel Fillets, Olive Oil (processing marker) 25%, Water, Salt (processing marker)

As written on the pack

Mackerel Fillets [Fish], Olive Oil (25%), Water, Salt.

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.
  • Vegetable oil Vegetable oils are pressed or extracted from seeds, nuts and fruits.

How the NOVA groups work

Among 11 mackerel fillets in oil

From least to most processed, this one ranks 11th. 0% of the mackerel fillets in oil 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 11 mackerel fillets in oil, least processed first

About this information

  • Data from this product on Open Food Facts (barcode 5000232417404, last edited 6 July 2026), available under the Open Database License. If something is wrong or the recipe has changed, you can correct it there.
  • 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.