Ingredient

Isolated Soy Proteins

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers use isolated soy protein as a functional ingredient to increase the protein content …

What is Isolated Soy Proteins?

Isolated soy protein is a concentrated form of protein derived from soybeans. It is produced by removing most of the fat and carbohydrates from soybeans, leaving a protein-rich powder. This process results in a highly purified protein source.

Is Isolated Soy Proteins vegan?

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

Is Isolated Soy Proteins a major allergen?

Soy is one of the 9 major allergens identified by the FDA.

What is Isolated Soy Proteins used for?

Manufacturers use isolated soy protein as a functional ingredient to increase the protein content of foods.

Is Isolated Soy Proteins safe?

Isolated soy protein is generally recognized as safe (GRAS) by the FDA for use in food.

Why it's used

Manufacturers use isolated soy protein as a functional ingredient to increase the protein content of foods. It also acts as an emulsifier, helping to blend ingredients that don't normally mix, like oil and water. It is commonly found in protein bars, meat alternatives, and baked goods.

Health notes

Isolated soy protein is generally recognized as safe (GRAS) by the FDA for use in food. It is a complete protein, containing all essential amino acids. The WHO and EFSA have evaluated soy proteins, recognizing their nutritional value. Some studies suggest soy protein may have benefits for heart health, but research is ongoing and evidence is mixed.

Allergen info

Soy is one of the 9 major allergens identified by the FDA. Isolated soy protein is derived from soybeans and is therefore considered a major allergen.

Foods that contain Isolated Soy Proteins

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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.