I think the jury is still out on Proviron for PCT...
Although there are studies showing its "not suppressive to the HPTA" at doses upto 100-150mg/ED for an extended peroid, using it during PCT (hypogondal) is a little different. The studies are done on eugondal males, which show no HPTA suppression, but I dont think one can assume this can be transfered to using it during PCT (although I have an article on it).
There is a study on it reducing ganodotrophins in males though. Ranging from 15-65%. If your one of the unlucky one's, that not good during PCT!
Your using Proviron to either:
1) Increase labido
2) Lower levels of estrogen and decrease negative feedback
3) Lower SHBG
I think (now) there maybe better options for the above.
Tribulas can be used to boost labido and adding DHEA will help also.
An AI can be used for estorgenic negative feedback, but this can be controlled by using an AI when on cycle.
There are supplements that can lower SHBG and increase Free T that seem to be effective. SHBG is needed to synthesis endogenous testosterone anyway. Lowering it is useful, but not paramount IMHO.
Proviron isnt going to help preserve your gains and aid in reducing muscle loss either. Its rapidly metabolized in muscle by 3-hydroxysteroid dehydrogenase.
I use Proviron during PCT and have never witnessed it hindering HPTA restoration (Yes, I have done BW). It seems to work for some and not others. I get a massive increase in labdio from it at as low as 25mg/ED, it reduces SHBG too and is cheap.
Some like it, others dont. The key here, just like all androgens is to experiment and see what works for YOU.
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