Can someone experienced please explain to me why someone would/should run an AI i.e. arinidex on cycle as opposed to nolva? The AI decreases the amount of aromatization so there is less test being converted to estrogen right? Therefore this could also potentially lessen one's gains, as estrogen is just as important as test for anabolism. Why not just run nolva, which would only block the estrogen from binding to the breast tissue (one of the biggest reasons we use AI's anyway)? Wouldn't this allow all of the natural aromatizing to occur, therefore no chance in hindering anabolism (gains)???
On the surface, to my understanding of things, wouldn't it make more sense/be more beneficial to just run the nolva on cycle, and not the AI?
Can someone please educate me on this, thanks