Muttoo

Processing aid

Is Pepsin halal?

The cited scholarly source says pepsin is usually extracted from pig stomachs, while noting a chemical-transformation exception; verify the manufacturing route.

Source-dependentDoubtful until the source is known (mashbooh)

The cited scholarly source says pepsin is usually extracted from pig stomachs, while noting a chemical-transformation exception; verify the manufacturing route.

What the sources say

Pepsin: It comes from enzymes usually extracted from pig stomaches and is obviously haram, unless it is chemically transformed into another substance.
Source Dependent Porcine-derived pepsin is haram under the cited ruling unless it has undergone the stated chemical transformation. Office of Grand Ayatollah Ali al-Sistani (scholarly ruling · grade A: primary source · accessed 2026-08-22)

Quick facts

NamePepsin (porcine-derived)
Also on labels asporcine pepsin
Additive classProcessing aid
ClassificationSource-dependent
Last verified2026-08-22

Common questions

Is Pepsin halal?

Pepsin (porcine-derived) is classified as Source-dependent. The cited scholarly source says pepsin is usually extracted from pig stomachs, while noting a chemical-transformation exception; verify the manufacturing route.

Is Pepsin halal or haram?

On the evidence cited on this page, Pepsin is source-dependent. Doubtful until the source is known (mashbooh) Every position is attributed to a named certifier or scholarly body with a link, so you can verify it directly.

What else is Pepsin called on ingredient labels?

It can appear as: porcine pepsin.

Why isn't there a single yes/no answer for Pepsin?

Because the ruling depends on information the label does not carry — the source material, the production route, or which scholarly position you follow. This page shows each named position with a link so you can check it yourself.

Where does this page's information come from?

Every position on this page is attributed to a named certifier or scholarly body with a direct link, listed under 'What the sources say'. Muttoo aggregates and cites; it does not issue rulings.

Related lookups

Record ingredient-pepsin-porcine-derived · last verified 2026-08-22 · report an error