Administration: Oral Alternative Names: Mesterolone, Proviroxyl, Proviron, Provimed, Providex, Proviraplex, General Information: (Mesterolone) [1 alpha-methyl-17 beta-hydroxy-5 alpha-androstan-3-one] Molecular Formula: C20H32O2 Molecular Weight: 304.4716 Melting Point: N/A Manufacturer: Schering Release Date: 1960 Effective Dose: 25-200mgs/day Active Life: up to 12 hours Detection Time: 5-6weeks Androgenic: Anabolic Ratio:30-40/100-150 Proviron (mesterolone) is basically an orally active DHT (dihydrotestosterone)… Continue reading PROVIRON