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Steroid Half Life's

test
Lizard King

Lizard King

Administrator
Staff Member
Sep 9, 2010
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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 days
Testosterone Cypionate 12 days
Testosterone Enanthate 10.5 days
Testosterone Propionate 4.5 days
Testosterone Suspension 1 day
Winstrol (stanozolol) 1 day

Steroid esters Drug Active half-life
Formate 1.5 days
Acetate 3 days
Propionate 2 days
Phenylpropionate 4.5 days
Butyrate 6 days
Valerate 7.5 days
Hexanoate 9 days
Caproate 9 days
Isocaproate 9 days
Heptanoate 10.5 days
Enanthate 10.5 days
Octanoate 12 days
Cypionate 12 days
Nonanoate 13.5 days
Decanoate 15 days
Undecanoate 16.5 days

Ancillaries Drug Active half-life
Arimidex 3 days
Clenbuterol 1.5 days
Clomid 5 days
Cytadren 6 hours
Ephedrine 6 hours
T3 10 hours
 
pux888

pux888

MuscleHead
Oct 1, 2010
1,256
65
More good info that everyone should be familiar with.
 
slicwilly2000

slicwilly2000

VIP Member
Sep 14, 2010
1,955
305
Correct me if I'm wrong but isn't enanthate the same thing as heptanoate?

Slic.
 
HawaiianPride.

HawaiianPride.

Senior Member
Oct 21, 2010
152
57
Correct me if I'm wrong but isn't enanthate the same thing as heptanoate?

Slic.

It's a synonym of E^ Technically Hep's ester drops off on 10. E drops off 10.5. Hardly a difference and as you had in mind, virtually the same.

I'd like to add to the OP. The The dose of the androgen should also determine post cycle start times. Example: If you took 2 bodybuilders, 1 on 500mg/wk Test E and the other on 2500mg/wk Test E, in 10-14 days time the 500mg/wk bodybuilders total T will be far less than the 2500mg/wk bodybuilder. Therefore changing the PCT start time. Food for thought for the viewers out there.

I should also point out Stan Depot does not have a half-life simply due to the fact that it's un-estrified. It contains microcrystals that will dissolve slowly and once they've all dissolved the levels of the hormone will fall pretty rapidly.

Great post LK.
 
Demigod

Demigod

VIP Member
Sep 24, 2010
625
48
Informative post....a good read for all.
 
JackD

JackD

Senior Moderators
Staff Member
Sep 16, 2010
6,476
1,700
Thanks LK, we should sticky this, because this is a good reference chart.
 
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