Brewer's yeast
What is Brewer's yeast?
Brewer's yeast is a deactivated yeast, a type of fungus (Saccharomyces cerevisiae). It is a by-product of the brewing industry, specifically from the fermentation of beer. The yeast cells are harvested, washed, and then dried to create a powder or flakes.
Is Brewer's yeast vegan?
Brewer's yeast is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.
Is Brewer's yeast gluten-free?
It does not contain gluten as it is derived from a different species of yeast than those associated with gluten-containing grains.
Is Brewer's yeast a major allergen?
Brewer's yeast is not one of the 14 major allergens that must be declared on UK food labels.
What is Brewer's yeast used for?
Brewer's yeast is primarily used as a flavour enhancer, providing a savoury, umami taste often described as cheesy or nutty.
Is Brewer's yeast safe?
Brewer's yeast is not considered a food additive in the UK and does not have an E-number.
Why it's used
Brewer's yeast is primarily used as a flavour enhancer, providing a savoury, umami taste often described as cheesy or nutty. It is also a source of B vitamins and minerals. It is found in a variety of savoury foods such as crackers, seasonings, baked goods, and meat substitutes.
Health notes
Brewer's yeast is not considered a food additive in the UK and does not have an E-number. It is a source of nutrients, particularly B vitamins, which are important for energy metabolism. The European Food Safety Authority (EFSA) has evaluated some strains of Saccharomyces cerevisiae for specific uses, but brewer's yeast itself as a general food ingredient is not subject to the same additive regulations. Some people may experience digestive upset when consuming large amounts.
Allergen info
Brewer's yeast is not one of the 14 major allergens that must be declared on UK food labels. It does not contain gluten as it is derived from a different species of yeast than those associated with gluten-containing grains.
Foods that contain Brewer's yeast
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