Ingredient

Contains 2% Or Less: Soy Protein Isolate

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add soy protein isolate to foods as a source of protein and to …

What is Contains 2% Or Less: Soy Protein Isolate?

Soy protein isolate is a highly purified protein derived from soybeans. It is made by removing most of the fat and carbohydrates from dehulled soybeans, resulting in a powder that is at least 90% protein.

Is Contains 2% Or Less: Soy Protein Isolate vegan?

Contains 2% Or Less: Soy Protein Isolate is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Contains 2% Or Less: Soy Protein Isolate a major allergen?

Soy is one of the 9 FDA major allergens.

What is Contains 2% Or Less: Soy Protein Isolate used for?

Manufacturers add soy protein isolate to foods as a source of protein and to improve texture.

Is Contains 2% Or Less: Soy Protein Isolate safe?

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

Why it's used

Manufacturers add soy protein isolate to foods as a source of protein and to improve texture. It is commonly found in protein bars, shakes, meat alternatives, and baked goods.

Health notes

Soy protein isolate is generally recognized as safe (GRAS) by the FDA. It is a complete protein, meaning it contains all nine essential amino acids. Regulatory bodies like JECFA and EFSA have evaluated soy protein. While generally considered safe, some individuals may have soy allergies.

Allergen info

Soy is one of the 9 FDA major allergens. Soy protein isolate is derived from soybeans.

Foods that contain Contains 2% Or Less: Soy Protein Isolate

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Last updated: October 5, 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.