CheckVegan

Is Melengestrol Acetate vegan?

Melengestrol Acetate

Vegan Vegan
Vegetarian Vegetarian

Melengestrol acetate is a synthetic progestin used as a growth-promoting feed additive in cattle and as a contraceptive in captive animals; it is not approved for human use.

Also known as Heifermax, Melengestrol, MGA
INCI name Melengestrol Acetate
CAS number 2919-66-6
EC number 227-073-3
CosIng ID 81819
Last reviewed 4 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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