Ingredient

Soy sauce

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add soy sauce primarily for its rich, umami flavour and dark colour. It …

What is Soy sauce?

Soy sauce is a dark, savoury liquid condiment made from fermented soybeans, roasted grain, brine, and Aspergillus mould. It originated in China over 1,000 years ago and is a staple in East and Southeast Asian cuisines.

Is Soy sauce vegan?

Soy sauce is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Soy sauce gluten-free?

It may also contain cereals containing gluten if wheat is used in its production.

Is Soy sauce a major allergen?

Soy sauce is derived from soya, which is one of the 14 major allergens that must be emphasised on UK food labels.

What is Soy sauce used for?

Manufacturers add soy sauce primarily for its rich, umami flavour and dark colour.

Is Soy sauce safe?

Soy sauce is not considered a food additive in the UK and therefore does not have an E-number.

Why it's used

Manufacturers add soy sauce primarily for its rich, umami flavour and dark colour. It is used to season a wide variety of foods, including marinades, stir-fries, dips, and sauces, enhancing the overall taste profile of dishes.

Health notes

Soy sauce is not considered a food additive in the UK and therefore does not have an E-number. It is high in sodium, and the NHS advises limiting salt intake to no more than 6g per day for adults. High sodium consumption can contribute to high blood pressure in some individuals.

Allergen info

Soy sauce is derived from soya, which is one of the 14 major allergens that must be emphasised on UK food labels. It may also contain cereals containing gluten if wheat is used in its production.

Foods that contain Soy sauce

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: 17 October 2026

Note: This site presents label data from Open Food Facts for general information. It is not medical advice. Check the package label; formulations change.