Although it's not directly DHT, study says Proviron (Mesterolone) decreases adrenal androgen synthesis which is a marker of poor gonadal function. That means it increases gonadal function.
It also increases aldosterone?
Profiling of Anabolic Androgenic Steroids and Selective Androgen Receptor Modulators for Interference With Adrenal Steroidogenesis - PubMed
Mesterolone, mestanolone and methenolone increased mineralocorticoid but decreased adrenal androgen production, indicating CYP17A1 dysfunction.
It also increases aldosterone?
Profiling of Anabolic Androgenic Steroids and Selective Androgen Receptor Modulators for Interference With Adrenal Steroidogenesis - PubMed
Mesterolone, mestanolone and methenolone increased mineralocorticoid but decreased adrenal androgen production, indicating CYP17A1 dysfunction.