Oral steroids Drug Active half-life  Anadrol / Anapolan50 (oxymetholone) 8 to 9 hours  Anavar (oxandrolone) 9 hours  Dianabol (methandrostenolone, methandienone) 4.5 to 6 hours  Methyltestosterone 4 days  Winstrol (stanozolol) (tablets or depot taken orally) 9 hours  Depot steroids Drug Active half-life  Deca-durabolin (Nandrolone decanate) 14 days  Equipoise 14 days  Finaject (trenbolone acetate) 3 days  Primobolan (methenolone enanthate) 10.5 days  Sustanon or Omnadren 15 to 18 d