Ingredient

Nutritional yeast flake

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add nutritional yeast flakes for their savoury, cheesy flavour profile, often used as …

What is Nutritional yeast flake?

Nutritional yeast flakes are deactivated yeast, typically *Saccharomyces cerevisiae*, grown on molasses or sugar beet. The yeast is then harvested, washed, and dried to produce flakes or powder. It has a distinctive cheesy, nutty, umami flavour.

Is Nutritional yeast flake vegan?

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

Is Nutritional yeast flake gluten-free?

It does not contain gluten.

Is Nutritional yeast flake a major allergen?

Nutritional yeast is derived from yeast and is not one of the 14 major allergens that UK law requires to be emphasised on food labels.

What is Nutritional yeast flake used for?

Manufacturers add nutritional yeast flakes for their savoury, cheesy flavour profile, often used as a vegan alternative to cheese.

Is Nutritional yeast flake safe?

Nutritional yeast is not considered a food additive in the UK and does not have an E-number.

Why it's used

Manufacturers add nutritional yeast flakes for their savoury, cheesy flavour profile, often used as a vegan alternative to cheese. It's commonly found in vegan cheeses, sauces, seasonings, and as a flavour enhancer in savoury snacks and ready meals. It can also be used to add a 'meaty' depth to dishes.

Health notes

Nutritional yeast is not considered a food additive in the UK and does not have an E-number. It is a source of B vitamins, and some products are fortified with vitamin B12. The Food Standards Agency (FSA) does not set specific intake limits for nutritional yeast. Evidence for significant health benefits or risks at typical consumption levels is limited, and it is generally considered safe.

Allergen info

Nutritional yeast is derived from yeast and is not one of the 14 major allergens that UK law requires to be emphasised on food labels. It does not contain gluten.

Foods that contain Nutritional yeast flake

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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.