Quote Originally Posted by GearHeaded View Post
to further explain ..

19 nors are 'Progestin' based compounds that will interact with Progestin receptors in the body just like progesterone would. this can have some negative impact (like breast tissue issues) by overly sensitizing you to estrogen..

Masteron works well with 19 nors because it has the ability to 'blunt' progestin receptors and some E receptors, especially in breast tissue..

MASTeron - the word "Mast" means "breast"


note - 19 nors are drugs like Tren, Deca, Npp, Ment, Cheuqe drops, Methyl tren
I copy all of this stuff over so I have it for reference. I appreciate you taking the time to explain it.