Also known as: Whey powder, Whey protein, Whey protein concentrate, Whey protein isolate, Sweet whey, Acid whey
| Source | Halal Ruling |
|---|---|
| From Halal Rennet Cheese | Halal — whey from cheese made with microbial or halal animal rennet |
| From Non Halal Rennet Cheese | Mushbooh/Haram — whey from cheese made with non-halal animal rennet |
| Acid Whey | Generally halal — produced by acid coagulation, no rennet involved |
Whey is a liquid byproduct of cheese production. Its halal status depends on the rennet used to make the cheese from which it was separated. If animal rennet from a non-halal source was used, some scholars consider the whey haram. However, some scholars argue that whey undergoes sufficient transformation (istihalah) from the original cheese-making process. Most commercial whey in Western countries comes from cheese made with a mix of rennet types.
Listed as 'whey', 'whey powder', 'whey protein concentrate', 'whey protein isolate', or 'sweet whey'.