Last reviewed May 2026 · 1 min read
Is Brown FK vegan?
Also known as: Kipper Brown, Food Brown 1, E154
E-number: E154
Vegan
Suitable for a vegan diet.
Yes — It is a fully synthetic chemical product.
01 · The basics
What is Brown FK?
A complex mixture of synthetic azo dyes specifically formulated to color kippered (smoked) fish.
02 · The source
Where it comes from
It is a fully synthetic chemical product. No animals are used in its synthesis.
03 · Alternatives
Best vegan alternatives
Caramel color
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Frequently asked
FAQ
Is Brown FK vegan?
The dye itself is vegan. However, it is almost exclusively used on fish products, which are not vegan.
Is E154 safe?
It is highly restricted and only permitted for use in kippers in the UK and some parts of Europe.
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Related ingredients
Allura Red AC
A popular synthetic red food dye used to give foods and drinks a prominent red or pink color.
Tartrazine
A bright lemon-yellow synthetic food dye commonly used in processed foods, drinks, and medications.
Brilliant Blue FCF
A synthetic blue dye used in foods, cosmetics, and dietary supplements to achieve a vibrant blue hue.
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