Imo;
Masteron, in addition to providing you with anti-estrogenic effects, has the ability to inhibit prolactin at the receptors; 300 to 400mg of Masteron per week appears to be a solid dose dealing with (19-nor) steroids
Deca and Trenbolone for example, carries a progestinic nature.
Okay, (19-nor) increases progesterone; brief explanation:
Progesterone increases because many receptors are activated by progestins. Progestins are compounds that act on these receptors, such as trenbolone and nandrolone or any 19-nor steroid. This is what causes progesterone to increase and why do you see the increase when these steroids are introduced?
It is worse in the presence of excess estrogen! Especially in the breasts, as it acts to promote breast tissue together with estrogen, increasing 1GF-1 in the breast. In addition, progesterone directly stimulates estrogenic activity in breast tissues. So here we have a semi-direct influence. High progesterone increases estrogenic activity and results in gynecomastia!
Your first line of defense is to control estrogen! Use nolvadex for this.
Imo:
Nolva blocks the estrogen receptor.
The progesterone receptor is then synthesized.
Blocked estrogen receptor = progesterone receptor, down-regulated.
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