CheckVegan

Is Mesterolone vegetarian?

Mesterolone

Vegetarian Vegetarian
Vegan Vegan

Mesterolone is a synthetic androgen and anabolic steroid medication used mainly to treat low testosterone levels and, controversially, male infertility. It is taken orally.

Also known as Androstan-3-one, 17-hydroxy-1-methyl-, (1alpha,5alpha,17beta)-
INCI name Mesterolone
CAS number 1424-00-6
EC number 215-836-3
CosIng ID 81776
Last reviewed 10 July 2026

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

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