Is Pepsin vegan?

Pepsin

Not Vegan

A proteolytic enzyme derived from the stomach mucosa of pigs or calves, where it plays a key role in digestion. It is used in food processing, cheese making, and some pharmaceutical applications.

Also known as Gastric pepsin, Porcine pepsin, Swine pepsin
Vegan alternatives Bromelain, Papain
CAS number 9001-75-6
EC number 232-629-3
Last reviewed 16 April 2026

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