Supplement / capsule ingredient

Is Low-molecular-weight heparin halal?

The IIFA says modification of heparin to obtain a low-molecular-weight form is not itself transmutation. A porcine-derived product therefore requires source and necessity review.

Source-dependentDoubtful until the source is known (mashbooh)

The IIFA says modification of heparin to obtain a low-molecular-weight form is not itself transmutation. A porcine-derived product therefore requires source and necessity review.

What the sources say

Modification of heparin for obtaining low molecular weight heparin does not constitute a transmutation process
Source Dependent The low-molecular-weight modification does not itself change the porcine source ruling; review necessity and alternatives. International Islamic Fiqh Academy (OIC) (scholarly resolution · grade A: primary source · accessed 2026-08-23)

Quick facts

NameLow-molecular-weight heparin (porcine-derived)
Also on labels asporcine low-molecular-weight heparin, LMWH (porcine-derived)
Additive classSupplement / capsule ingredient
ClassificationSource-dependent
Last verified2026-08-23

Common questions

Is Low-molecular-weight heparin halal?

Low-molecular-weight heparin (porcine-derived) is classified as Source-dependent. The IIFA says modification of heparin to obtain a low-molecular-weight form is not itself transmutation. A porcine-derived product therefore requires source and necessity review.

Is Low-molecular-weight heparin halal or haram?

On the evidence cited on this page, Low-molecular-weight heparin 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 Low-molecular-weight heparin called on ingredient labels?

It can appear as: porcine low-molecular-weight heparin, LMWH (porcine-derived).

Why isn't there a single yes/no answer for Low-molecular-weight heparin?

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-low-molecular-weight-heparin-porcine-derived · last verified 2026-08-23 · report an error