Steroid Half-Life

Steroid Half Life Chart



When someone mentions a half life or half lives, we usually get images of mutants or monsters! But lets face facts, if your shopping for Anabolic Steroids at, you probably want to become a monster!



On a more serious note, the half life of a compound is something that you should take a good note of when designing your anabolic steroid course. For example, injecting Trenbolone Acetate once a week would be completely ineffective and conversely, injecting Equipoise every other day would be overkill!



The injection schedule is one of the main considerations when designing a steroid cycle, so the chart below should prove a helpfull tool.




Oral steroids:


DrugActive half-life
Anadrol (oxymetholone)8 to 9 hours
Anavar (oxandrolone)9 hours
Dianabol (methandrostenolone, methandienone)4.5 to 6 hours
Methyltestosterone4 days
Winstrol (stanozolol)9 hours
Halotestin (Fluoxymesterone)9.5 hours
Turinabol (Tbol)16 hours


Injectable steroids:


DrugActive half-life
Deca-durabolin (Nandrolone decanate)15 days
Equipoise14 days
Trenbolone Acetate3 days
Primobolan (methenolone enanthate)10.5 days
Sustanon or Omnadren15 to 18 days
Testosterone Cypionate12 days
Testosterone Enanthate10.5 days
Testosterone Propionate4.5 days
Testosterone Suspension1 day
Winstrol (stanozolol)1 day


Steroid esters:


DrugActive half-life
Formate1.5 days
Acetate3 days
Propionate4.5 days
Phenylpropionate4.5 days
Butyrate6 days
Valerate7.5 days
Hexanoate9 days
Caproate9 days
Isocaproate9 days
Heptanoate10.5 days
Enanthate10.5 days
Octanoate12 days
Cypionate12 days
Nonanoate13.5 days
Decanoate15 days
Undecanoate16.5 days




DrugActive half-life
Arimidex3 days
Clenbuterol1.5 days
Clomid5 days
Cytadren6 hours
Ephedrine6 hours
T310 hours
Letrozole5 hours
Nolvadex (Tamoxifen Citrate)14 days


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