CheckVegan

Is Whey vegetarian?

Whey

Vegetarian Unconfirmed

Whey is the liquid residue remaining after milk has been curdled and strained during cheese or casein production. It is rich in whey proteins and lactose and is a by-product of dairy processing. It originates exclusively from mammalian milk.

Also known as lactalbumin whey, milk serum, milk whey, whey protein
INCI name Whey
CAS number 92129-90-3
EC number 295-890-2
CosIng ID 60184
Last reviewed 16 April 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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