Thanx Ozzy, yup, read that one and serveral other posts on many sights before I started my stack, that's why I chose Proviron, it seems to get 5 birds with 1 stone... 1) mild Aromatase inhibitor (AI), 2) amplifies testosteron, 3) androgenic-hard/vascular muscularity, 4) keeps up the yin-yang, 5)...