Well this is wrong... You really never become totally shut down, only severly suppressed.
Since I'm probably one of the only guys who has run tren and deca together I'll be the first to say that the combo is amazing. I have never had gyno. If you want dostinex be careful, not only is that stuff more toxic to the liver than any oral steroid, there are no long term studies on dopamine antagonists in healthy males. This stuff is given to people with parkinson's, and has a lot of sides. I would skip it.
The only thing i used for prolactin is b6. I take a multivitamin in the morning plus a b-complex, then i take extra b6 throughout the day.