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ALG-008
Fish
Allergen · Also: Cod · Salmon · Tuna · Tilapia · Trout · Halibut · Anchovy · Bass · Haddock · Pollock · Fish sauce
ALLERGEN
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Allergen

Fish allergy is triggered by proteins (particularly parvalbumin) found in finned fish. It is distinct from shellfish allergy and is common in both children and adults.

Found in
Fish fillets, Fish fingers, Canned fish, Worcestershire sauce, Caesar salad dressing, Anchovies, Imitation crab, Fish oil supplements
Daily intake limit
Must be avoided by allergic individuals
Processing
Low

Body systems affected

Immune
IgE-mediated reactions including urticaria, vomiting, and anaphylaxis
Respiratory
Airway reactions can be triggered by inhaling fish cooking fumes

What the research says

Fish allergy affects ~0.5% of the general population. It is often persistent into adulthood. Fish parvalbumin is highly cross-reactive between species, meaning patients allergic to one fish are often reactive to many others.

Allergenic potential: High — Major regulated allergen

Metabolic effects: Risk of omega-3 and vitamin D deficiency if fish avoided; supplementation advised

FDA Must be declared on food labels
EFSA Major allergen — mandatory EU labelling
WHO Recognised allergen
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FoodWize E-Numbers Encyclopedia · Researched from verified science · Informational only, not medical advice.
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