Ingredient

Milk Protein Isolate

Source
Animal-derived
Allergen
No
Role in food
Manufacturers add milk protein isolate to foods to increase their protein content. It also …

What is Milk Protein Isolate?

Milk protein isolate is a dairy ingredient made by filtering milk to remove most of its lactose, fat, and water. This process concentrates the protein, resulting in a product that is typically 90% protein or more. It contains both casein and whey proteins, similar to their natural ratio in milk.

Is Milk Protein Isolate vegan?

No. Milk Protein Isolate is animal-derived, so it is not vegan.

Is Milk Protein Isolate a major allergen?

Milk protein isolate is derived from milk and is therefore considered a major food allergen.

What is Milk Protein Isolate used for?

Manufacturers add milk protein isolate to foods to increase their protein content.

Is Milk Protein Isolate safe?

In the United States, milk protein isolate is generally recognized as safe (GRAS) by the FDA.

Why it's used

Manufacturers add milk protein isolate to foods to increase their protein content. It also helps improve the texture of products, acts as an emulsifier to blend ingredients, and can help stabilize foods. It is often found in protein bars, shakes, yogurts, and other nutritional supplements.

Health notes

In the United States, milk protein isolate is generally recognized as safe (GRAS) by the FDA. It is considered safe for consumption by most people as part of a balanced diet. International bodies like JECFA and EFSA typically do not set acceptable daily intake (ADI) limits for primary food components like milk protein isolate, as it is a concentrated form of a common food.

Allergen info

Milk protein isolate is derived from milk and is therefore considered a major food allergen.

Foods that contain Milk 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: 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.