Ingredient

Soy Isolate

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Source

Not animal-derived

Allergen

Role in food

Manufacturers use soy isolate as a protein source and texturizer in foods. It is …

What it is

Soy isolate is a highly purified protein extracted 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.

Why it's used

Manufacturers use soy isolate as a protein source and texturizer in foods. It is commonly found in protein bars, vegetarian meat alternatives, and some dairy-free products.

Health notes

Soy protein isolate is Generally Recognized As Safe (GRAS) by the FDA for use in food. It is a source of complete protein, containing all essential amino acids. The WHO/FAO Joint Expert Committee on Food Additives (JECFA) has evaluated soy protein isolate. Some studies suggest potential benefits for heart health, while others explore its role in hormonal effects, though evidence is mixed and often depends on intake levels.

Allergen info

Soy is one of the 9 major allergens recognized by the FDA. Soy isolate is derived from soybeans, so it is considered a soy allergen.

Products containing Soy Isolate

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Sweets Gone Raw Sweets Gone Raw, Protein Balls, Chocolate Chip Cookie Dough, Chocolate Chip Cookie Dough Snack, Energy & Granola Bars 417kcal 13.9Protein 16.7Fat 55.6Carbs Sweets Gone Raw Sweets Gone Raw, Protein Ball Birthday Cake Snack, Energy & Granola Bars High in saturated fat — 40% DV per serving 444kcal 13.9Protein 25Fat 41.7Carbs Lindora, Inc. Lindora, Cheddar Cheese Double Bites Other Snacks 394kcal 30.3Protein 9.1Fat 51.5Carbs Vidette Inc Bolognese Plant-Based Pasta Sauce, Bolognese Prepared Pasta & Pizza Sauces High in sodium — 20% DV per serving —kcal 4.8Protein 4Fat 8Carbs Vidette Inc Bolognese Plant-Based Pasta Sauce, Bolognese Prepared Pasta & Pizza Sauces High in sodium — 20% DV per serving —kcal 4.8Protein 4Fat 8Carbs Vidette Inc Marinara Plant Based Sausage, Marinara Prepared Pasta & Pizza Sauces High in sodium — 20% DV per serving 96kcal 4.8Protein 4Fat 8Carbs Meyer Natural Foods LLC Classic Recipe Plant-Based Nuggets, Classic Recipe Vegetarian Frozen Meats High in sodium — 26% DV per serving 271kcal 12.5Protein 15.6Fat 21.9Carbs Glencourt Inc. Chick'N Less Plant Based Patties, Chick'N Less Vegetarian Frozen Meats 254kcal 12.7Protein 12.7Fat 22.5Carbs Glencourt Inc. Chick'N Less Plant Based Nuggets, Chick'N Less Vegetarian Frozen Meats High in sodium — 26% DV per serving 250kcal 12.5Protein 13.5Fat 21.9Carbs Gluck Holdings, LLC. Margarita Pizza Plant Based Protein Crisps, Margarita Pizza Chips, Pretzels & Snacks 400kcal 23.3Protein 10Fat 50Carbs Vidette Inc Marinara Sauce, Marinara Prepared Pasta & Pizza Sauces High in sodium — 20% DV per serving 96kcal 4.8Protein 4Fat 8Carbs Nutrisystem, Inc. Shakes, Milk Chocolate Powdered Drinks 49kcal 4.6Protein 1.9Fat 4.6Carbs

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.