Ingredient

Wheat protein isolate

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add wheat protein isolate to foods to increase their protein content and improve …

What is Wheat protein isolate?

Wheat protein isolate is a concentrated form of wheat protein, typically derived from wheat flour. The process involves separating the protein from the starch and fibre components of the wheat. This results in a powder with a high protein content.

Is Wheat protein isolate vegan?

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

Is Wheat protein isolate gluten-free?

Wheat protein isolate is derived from wheat, which contains gluten.

What is Wheat protein isolate used for?

Manufacturers add wheat protein isolate to foods to increase their protein content and improve texture.

Is Wheat protein isolate safe?

Wheat protein isolate is not considered a food additive under UK law and therefore does not have an E-number.

Why it's used

Manufacturers add wheat protein isolate to foods to increase their protein content and improve texture. It can act as a binder and emulsifier, helping to create a smoother consistency in products like baked goods, meat alternatives, and dairy-free products. It is often found in vegan and vegetarian food items.

Health notes

Wheat protein isolate is not considered a food additive under UK law and therefore does not have an E-number. It is a source of protein, which is an essential nutrient. The Food Standards Agency (FSA) and Food Standards Scotland (FSS) provide general guidance on protein intake as part of a balanced diet. There are no specific regulatory limits set for wheat protein isolate itself, but it is subject to general food safety regulations.

Allergen info

Wheat protein isolate is derived from wheat, which contains gluten. Cereals containing gluten are one of the 14 major allergens that must be emphasised on UK food labels. Therefore, it must be declared when present in a food product.

Foods that contain Wheat protein isolate

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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.