3,6,17-androstenetrione
A naturally-occurring androgen metabolite that functions as an aromatase inhibitor. Taken in supplemental form, 3,6,17-androstenetrione can increase serum testosterone by reducing its conversion to estrogen. It’s been used as a part of post-cycle therapy to help restore normal testosterone levels, as well as a standalone supplement for enhancing testosterone.
3,6,17-androstenetrione is sold commercially as “6-OXO” by ErgoPharm. Other synonyms include: 4-etioallocholen-3,6, 17-trione, 6-ketoandrostenedione and androst-4-ene-3,6,17-trione