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Testosterone Decanoate Half Life

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Testosterone Decanoate is a synthetic testosterone drug that is having improved bioavailability as well as metabolic half life compared to the endogenous hormone. Testosterone Decanoate is considered second longest form of testosterone manufactured after Testosterone Undecanoate. That’s because of the esters – Undecanoate being the largest ester and Decanoate second one.

Testosterone Decanoate half life is about 15 days.

Other forms of Testosterone all having shorter half lives than Testosterone Decanoate include:


  • Testosterone Base –  known as testosterone suspension which is coming as raw testosterone, without an ester. It has the half life of 2-4 hours.
  • Testosterone Propionate – shortest ester and therefore, offering shortest half life among all other testosterone with an attached ester of 1-3 days.
  • Testosterone Phenylpropionate – slightly longer half life of about 4-5 days.
  • Testosterone Isocapropate – longer half life than Phenylpropionate of about 8 days or so.
  • Testosterone Enanthate – perhaps most popular testosterone version with half life of about 10 days.
  • Testosterone Cypionate – another very famous version of testosterone considered long based with a half life of about 12 days.
  • Testosterone Decanoate – as said, second longest form of testosterone. Is rarely used alone, most often coming as a part of testosterone blend (Sustanon) half life of 15 days.
  • Tesosterone Undecanoate – largest form of testosterone that is having a half life of about 16-17 days or even longer.

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Testosterone Decanoate half life is around 15 days, as mentioned so you have to know the advantages and disadvantages of such a long half life.

Since it gets flushed out of the body slower, you need to inject it less frequently and the injections are not as painful. Therefore, you are not going to inject it too often and won’t get too much pains, all whilst maintaining stable blood levels for a long period of time.

But the disadvantage of long based testosterone steroid is the fact that you’re not going to get instant results as you would with a shorter based one that is entering your blood system with full strength much faster. Another disadvantage is that you’re more likely to get caught at an anti doping test if you’re competing in professional sports. That’s because longer based testosterones are having a longer detection time.


Specifically for Testosterone Decanoate, the detection time is about 3 months. Is less for shorter based steroids and slightly longer for Testosterone Undecanoate.


  • As mentioned, Testosterone Decanoate is mostly used as a part of Sustanon, alongside with other testosterone based as Testosterone Propionate; Testosterone Phenylpropionate as well as TestosteroneIsocaproate and/or others.

Despite the fact that this steroid never was marketed as single drug preparation, is still capable to be found as such for bodybuilding purposes manufactured by different drug companies. Nonetheless, the steroid is still mostly found and used in Sustanon (Testosterone blend).

Due to long Testosterone Decanoate half life, the compound can be used (injected intramuscularly) only once per week or even once every 10 days when used alone for maintaining stable blood levels.

If you’re in search for something offering longer half life, Testosterone Undecanoate is your only option. If you’re searching for something with shorter half life, there are multiple forms of testosterones that you can choose from.

Also, remember that Testosterone Decanoate is mostly used as Sustanon part, and that’s what we recommend you to use this form of testosterone, that’s because the testosterone blend has been said to be extremely beneficial and helpful.Sustanon-270-Dragon-Pharma

Buy Testosterone Decanoate from our website DragonPharma.to as a part of Sustanon to receive the anabolic steroid for sale and get a very good price for it whilst making sure that you have the best quality testosterone. We’re the anabolic steroid store specialized in offering high quality products for the best possible prices. Buy steroids here once, and we guarantee you would love the experience and would return back for more.

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