Testosterone

hormone · endocrine · reproductive · musculoskeletal · Intramuscular · Transdermal · Subcutaneous · Intranasal · Oral

Testosterone, a hormone. Primary male androgen, agonist at androgen receptor (AR). Endogenous gonadal hormone; therapeutically used as testosterone replacement (TRT)…

Primary male androgen, agonist at androgen receptor (AR). Endogenous gonadal hormone; therapeutically used as testosterone replacement (TRT) via various ester / formulation routes since the free hormone has near-zero PO F (extensive first-pass).