JT113's picture
JT113
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+ 1 Testosterone Enanthate Half-Life

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Some sources list the half-life as 4.5 days, whereas others list it at 10.5 days. Others split the difference and report around 7 days.

For somebody injecting an oil into their glutes, what's the number to use?

DbolAndAll's picture

what muscles have different half lives? care to make a separate post cause you have me intrigued

Greg's picture

If true, probably because of increased blood flow to certain skeletal muscles during workouts or activity.

bbdoc's picture

Testosterone Enanthate's half-life was known as 10.5 days before. The books from 80-90s era claims its 10.5 or more.. But it's discovered later it's 4.5 days in intramuscular use..

Here is the original study as reference.
https://link.springer.com/chapter/10.1007%2F978-1-59745-453-7_29

case closed Biggrin

fusebox's picture

25 ga all the way. Thank me and everyone that told me way back later lol

Eagles 2013's picture

I use a 23 1.5" for glutes and quads and a 25g 1" for pecs, delts and triceps.

press1's picture

Test E peaks at around 24hrs in, then stays at around that level for the next 24hrs before continually dropping from there on. I would go for what the others are saying and use 7.

The Solid line is Test E and broken is Test Cyp:

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bbdoc's picture

wow, very good info. Where is it coming from? is it possible to share the source if you don't mind.

Pumped_'s picture

Thank you for this. Very useful. +1

Sam I Am's picture

Nice

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Greg's picture

7