Ingredient

Isolate Soy Protein

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers use soy protein isolate as a protein supplement and to improve texture and …

What is Isolate Soy Protein?

Soy protein isolate is a highly purified form of soy protein. It is made from soybeans that have been dehulled and processed to remove most of the fat and carbohydrates. The remaining protein content is typically 90% or more.

Is Isolate Soy Protein vegan?

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

Is Isolate Soy Protein a major allergen?

Soy is one of the 9 FDA major allergens.

What is Isolate Soy Protein used for?

Manufacturers use soy protein isolate as a protein supplement and to improve texture and emulsification in foods.

Is Isolate Soy Protein safe?

Soy protein isolate is generally recognized as safe (GRAS) by the FDA.

Why it's used

Manufacturers use soy protein isolate as a protein supplement and to improve texture and emulsification in foods. It is often found in processed meat products, dairy alternatives, and baked goods.

Health notes

Soy protein isolate is generally recognized as safe (GRAS) by the FDA. It is a source of complete protein, containing all essential amino acids. Regulatory bodies like JECFA and EFSA have evaluated soy protein, but specific numerical limits are not typically assigned to whole protein sources. Some studies suggest potential benefits for heart health, while others raise questions about its effects on hormone levels, though evidence is mixed and often based on high-dose animal studies.

Allergen info

Soy is one of the 9 FDA major allergens. Soy protein isolate is derived from soybeans and is therefore a major allergen.

Foods that contain Isolate Soy Protein

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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: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.