Whey Protein
Whey protein is a minimally processed dairy ingredient. Primary concern is milk allergen status (FDA major allergen).
What it is
Protein fraction isolated from milk whey, the liquid by-product of cheese making, typically as concentrate or isolate powder.
High-quality protein source; provides functional properties including emulsification, foaming, and gelation in nutritional and processed foods.
Why it's flagged
- milk allergen (FDA major allergen)
- lactose in concentrates may affect intolerant individuals
What regulators actually say
"Whey is the fluid obtained by separating the coagulum from milk, cream and/or partly skimmed milk in cheesemaking."
"Milk is one of the nine major food allergens identified under U.S. food allergen labeling laws."
Regulatory status
United States — FDA
GRAS dairy ingredient; milk allergen labeling required under FALCPA.
European Union — EFSA
Permitted; allergen labeling required under EU Regulation 1169/2011.
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