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Is Hydroxyprogesterone Caproate vegetarian?

Hydroxyprogesterone Caproate

Vegetarian Vegetarian
Vegan Vegan

Hydroxyprogesterone caproate is a synthetic progestin medication, historically used to reduce the risk of preterm birth, though it has since been withdrawn from major markets due to efficacy and safety concerns.

Also known as Pregn-4-ene-3,20-dione, 17-hydroxy-, hexanoate
INCI name Hydroxyprogesterone Caproate
CAS number 630-56-8
EC number 211-138-8
CosIng ID 81580
Last reviewed 10 July 2026

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

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