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Source
Animal-derived
Allergen
No
Role in food
Whey protein is added to foods to increase their protein content. It is often …
What it is
Whey protein is a mixture of proteins found in the liquid part of milk that remains after the production of cheese. It is separated from the fat and casein (another milk protein) during the cheesemaking process. The liquid whey is then processed to isolate the protein, often through methods like ultrafiltration or ion exchange, and then dried into a powder.
Why it's used
Whey protein is added to foods to increase their protein content. It is often used in protein bars, powders for shakes, and other nutritional supplements. Its functional properties also include acting as an emulsifier and helping with texture in some products.
Health notes
Whey protein is generally recognized as safe (GRAS) by the FDA for use in food. It is a complete protein, meaning it contains all nine essential amino acids. Regulatory bodies like JECFA and EFSA have evaluated whey protein. While generally considered safe and beneficial for muscle growth and repair when consumed as part of a balanced diet, some individuals may experience digestive discomfort.
Allergen info
Whey protein is derived from milk, which is one of the nine major allergens identified by the FDA. It does not contain gluten.
Note:
This site presents label data from USDA FoodData Central for general information. It is not medical advice.
Check the package label; formulations change.