Can anyone confirm these half-lifes?

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    Can anyone confirm these half-lifes?


    I am doing a bit of research on my own and I am finding some conflicting information on half-lifes. Do the values below look in line? Also, are there any published studies with this type of information in it? Thanks!!

    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

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    I cant help you with this, but nice list. Thanks for sharing!
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    Looks about right, though test has a half life of about 4 hours, and the methyl test is probably around 4-6.

    Also don't think winstrol s half life is that different for oral or inject.

    And remember these will vary person to person, some may be more or less than what's given.
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    Quote Originally Posted by jbryand101b View Post
    Looks about right, though test has a half life of about 4 hours, and the methyl test is probably around 4-6.

    Also don't think winstrol s half life is that different for oral or inject.

    And remember these will vary person to person, some may be more or less than what's given.
    Thanks for that! I am also finding out that it is dependant on injection site (delt vs. quad for example). Really not as straight forward as I was hoping. This is going to be one hell of an algorithm :/
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    Where are you finding the info that its injection site dependent?

    ManBeast
    -Saving random peoples' nuts, one pair at at time... PCT info:
    http://anabolicminds.com/forum/steroids/192992-pct-what-why.html
    -Are you really ready for a cycle? Read this link and be honest:
    http://anabolicminds.com/forum/steroids/191120-checklist-before-thinking.html
    *I am not a medical expert, my opinions are not professional, and I strongly suggest doing research of your own.*
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    Quote Originally Posted by ManBeast View Post
    Where are you finding the info that its injection site dependent?

    ManBeast
    its been shown in scientific studies. a delt injection has a longer half life (but also lower peak) than a glute injection. its about bloodflow + number of blood vessels per cubic inch in the area.
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    *scratches imaginary goatee* eeeeeeeeeenteresting, ty.


    ManBeast
    -Saving random peoples' nuts, one pair at at time... PCT info:
    http://anabolicminds.com/forum/steroids/192992-pct-what-why.html
    -Are you really ready for a cycle? Read this link and be honest:
    http://anabolicminds.com/forum/steroids/191120-checklist-before-thinking.html
    *I am not a medical expert, my opinions are not professional, and I strongly suggest doing research of your own.*
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    Quote Originally Posted by RH2012 View Post
    u got acetate and propionate backward. prop has a longer half life than an acetate.
    u can google the complete prescribing information for these drugs and get the clinical results for most of them.
    didn't even notice that, but now that you point it out, thats funny.

    i've seen this list before, so i think it's a c&p from some place else.
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    Quote Originally Posted by EasyEJL View Post
    its been shown in scientific studies. a delt injection has a longer half life (but also lower peak) than a glute injection. its about bloodflow + number of blood vessels per cubic inch in the area.
    that makes sense, as the delts have a larger muscle cross sectional area than the larger muscle of the glutes.

    cant find any good images to explain.
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    Clomid is 5-7 days same with Nolva
    http://anabolicminds.com/forum/cycle-info/223429-abscent-minded-log.html
    Quote Originally Posted by csa2179 View Post
    Pin the kittens with the tren, then attack the judges with the kittens, uppity bastards
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    dont know how many people dose it every 5-6 days though.

    that is prob best used for medicinal purposes.
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    Quote Originally Posted by jbryand101b View Post
    dont know how many people dose it every 5-6 days though.

    that is prob best used for medicinal purposes.
    What do you think about people splitting Anavar doses up throughout the day. Do You think there would be a difference taking it 2-3 times a day vs just once a day?
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    Quote Originally Posted by petrovich View Post
    What do you think about people splitting Anavar doses up throughout the day. Do You think there would be a difference taking it 2-3 times a day vs just once a day?
    It is better to split it every 8-9 hours to maintain a constant level in the blood (or as constant as possible). When I run 80mg/day I split it at 7am/3pm/11pm (30mg/30mg/20mg).
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    Quote Originally Posted by jbryand101b View Post
    didn't even notice that, but now that you point it out, thats funny.

    i've seen this list before, so i think it's a c&p from some place else.
    Yeah... this was the most complete list I could find, but since it is from a forum... a lot of it is bro-science.
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    Quote Originally Posted by RH2012 View Post
    u can google the complete prescribing information for these drugs and get the clinical results for most of them.
    Thats what I am doing right now... wan to make sure I get this as acurate as possible.
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    Thanks for the feedback guys... appreciated!
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    Quote Originally Posted by dialtone View Post
    It is better to split it every 8-9 hours to maintain a constant level in the blood (or as constant as possible). When I run 80mg/day I split it at 7am/3pm/11pm (30mg/30mg/20mg).
    can you give me some value to stable blood levels? I've never seen anything outside of directly related to testosterone replacement any value to steady levels. Even then, the value is mostly psychological/sexual, not anabolic potential.


    And just to say, although those half lifes may be accurate from a direct simple scientific standpoint, on the testosterones that does not translate into what your testosterone levels would actually be on injections. What i mean is, doing a single testosterone cypionate shot of 200mg you'd assume that if your levels at 24 hours peaked at a total testosterone of 1200, that at 12 days it would be 600. Real world shows it would be more like under 300.
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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) 9 hours
    Halotestin (Fluoxymesterone) 9.5 hours
    Turinabol (Tbol) 16 hours
    Injectable steroids:

    Drug Active half-life
    Deca-durabolin (Nandrolone decanate) 15 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 4.5 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
    Letrozole 5 hours
    Nolvadex (Tamoxifen Citrate) 14 days
  

  
 

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