It is believed to be caused by the progesteronic activity, however, progesterone levels and prolactin levels usually go hand in hand. Thus lowering your prolactin, also causes a decrease in your progesterone levels. Hope this helps.
Honestly, I don't know if it really helps me. What you said is true, but it doesn't tell me which one is the culprit of gyno. I wondered if it was legitimate to think that dostinex could prevent nadrolone gyno.
An increase in progesterone causes an increase in prolactin. When a woman becomes pregnant the increase in progesterone causes the increase in prolactin which causes the milk production which causes the subsequent enlargement of the breasts.
I started on NPP, and immediately felt some nipple sensitivity. Got on 1/2 tab of bromocriptine ED, and haven't felt even a twinge since. No negative sides from the bromo either, which I take after eating breakfast.
Vitamin B6 is working wonders for deca and tren. I am using them both now with test and 500-750mg a day for a day or two completely gets rid of any itch I was getting in the nipple, great stuff and cheap as hell.