Compare · Anabolic steroid
Drostanolone vs Mesterolone
Both are anabolic steroid compounds. Here's how they line up on the evidence — graded the same way.
| Drostanolone | Mesterolone | |
|---|---|---|
| Evidence | Preliminary human | No credible evidence |
| Class | Anabolic steroid | Anabolic steroid |
| Summary | Drostanolone is an injectable, DHT-derived anabolic-androgenic steroid once approved as a palliative breast-cancer drug. Its bodybuilding reputation for 'hardening' and 'dryness' has no controlled human evidence, and it carries the full androgen-class risk profile. | Mesterolone is an oral, DHT-derived anabolic-androgenic steroid once sold abroad for male hypogonadism and idiopathic infertility. Controlled human trials for its two historic uses (fertility, mood) are negative or unconvincing, and its performance 'anti-estrogen' reputation has no strong human evidence. |
| Full profile → | Full profile → |
Drostanolone
Drostanolone, almost always known by the brand name Masteron, is a synthetic anabolic-androgenic steroid (AAS) of the dihydrotestosterone (DHT) family. It was once an FDA-approved palliative treatment for metastatic breast cancer but is now obsolete as a medicine, surviving only in the underground…
Mesterolone
Mesterolone, almost always known by the brand name Proviron, is a synthetic, orally active anabolic-androgenic steroid (AAS) derived from dihydrotestosterone (DHT). It is an androgen — not a peptide and not a SARM. Unlike most of the other agents people lump it in with, mesterolone was never…