CheckVegan

Is Norgestrienone vegetarian?

Norgestrienone

Vegetarian Vegetarian
Vegan Vegan

Norgestrienone is a synthetic progestin medication used in birth control pills, often combined with ethinylestradiol. It was developed by Roussel Uclaf and is registered for use only in France.

Also known as 19-Norpregna-4,9,11-trien-20-yn-3-one, 17-hydroxy-, (17-alpha)-
INCI name Norgestrienone
CAS number 848-21-5
EC number 212-698-6
CosIng ID 81825
Last reviewed 10 July 2026

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

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