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Ingredients

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Polygeline

Uncertain

A modified bovine gelatin used as a stabilizer in some vaccines (e.g., RabAvert rabies vaccine).

Bovine-derived processed gelatin; species and slaughter method are rarely disclosed on patient-facing labels.

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Bovine Insulin (historical)

Uncertain

Insulin historically extracted from beef pancreas. Largely replaced worldwide by recombinant (rDNA) human insulin and analogues.

Bovine-derived; halal status depends on slaughter. Modern alternatives (recombinant) sidestep the question entirely.

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