Epitestosterone, aut isotestosterone, also known as 17α-testosterone aut ut androst-4-en-17α-ol-3-one, est endogenous steroid et epimer of androgeni sex hormone testosterone. Imbecillus auctor contra androgenium est (AR) et potentior 5α-reductase inhibitor. Structually, epitestosterone a testosterone tantum differt in configuratione ad carbonem hydroxytryon, C17. Epitestosterone is believed to form in a …