Ingredient

Autolysed Yeast

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add autolysed yeast to enhance savoury or 'umami' flavours in a wide range …

What is Autolysed Yeast?

Autolysed yeast is produced by breaking down yeast cells using their own enzymes. This process releases the natural flavour compounds within the yeast, creating a concentrated paste or powder.

Is Autolysed Yeast vegan?

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

Is Autolysed Yeast gluten-free?

It does not contain gluten.

Is Autolysed Yeast a major allergen?

Autolysed yeast is not one of the 14 major allergens that must be emphasised on UK food labels.

What is Autolysed Yeast used for?

Manufacturers add autolysed yeast to enhance savoury or 'umami' flavours in a wide range of foods.

Is Autolysed Yeast safe?

Autolysed yeast is not typically considered a food additive under UK law, meaning it does not have an E-number.

Why it's used

Manufacturers add autolysed yeast to enhance savoury or 'umami' flavours in a wide range of foods. It is commonly found in processed meats, sauces, soups, and snack foods, acting as a flavour enhancer.

Health notes

Autolysed yeast is not typically considered a food additive under UK law, meaning it does not have an E-number. Regulatory bodies like EFSA have evaluated yeast extracts for safety, and they are permitted for use in food. There are no widespread health concerns associated with its consumption at typical dietary levels.

Allergen info

Autolysed yeast is not one of the 14 major allergens that must be emphasised on UK food labels. It does not contain gluten.

Foods that contain Autolysed Yeast

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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.