Should you take estrogen blocker if I'm taking DHEA and Tribulus?

With Tribulus Terrestris an estrogen blocker is not necessary. With DHEA, it would be highly recommended. One prescription drug that will serve as an estrogen blocker is Propecia. Propecia is used to prevent and reverse hair loss in men and is quite effective. It is therefore a prescription which is easier to acquire (what doctor would turn down a male patient wanting to ensure that he keeps his hair) and is effective for both purposes (keeping hair and blocking additional testosterone from aromatizing into estrogen and related compounds). But then, I'm not an expert, just a guy who works out and tries to keep up with the growing body of knowledge out there.