Are insulin and heparin halal?

It depends. Modern human insulin and insulin analogues are made by fermentation and are halal. Heparin and low-molecular-weight heparins are usually made from pig intestine; they are permitted by necessity when no alternative is suitable.

Depends · Medicine · From the Halal or Not? rulebook, checked 28 September 2026

Quick answers

Are insulin and heparin halal?
It depends. Modern human insulin and insulin analogues are made by fermentation and are halal. Heparin and low-molecular-weight heparins are usually made from pig intestine; they are permitted by necessity when no alternative is suitable.

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