CheckVegan

Is Pepsin vegetarian?

Pepsin

Vegetarian Unconfirmed

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, Pepsin A, Porcine pepsin, Swine pepsin
Vegan alternatives Papain, Bromelain
INCI name Pepsin
CAS number 9001-75-6
EC number 232-629-3
CosIng ID 36488
Last reviewed 16 April 2026

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

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