It is used as an antigyny and to increase muscle strength.
Proviron(mesterolone) is the only oral male hormone product not 17-aa given to men to promote health, increase sexual potency, increase energy, and rejuvenate. Used in bodybuilding as an antigyny substitute for Nolvadex, it is suitable with any steroid and is also used to increase muscle strength in preparation for competition. It is sold in 37 countries and has been used to help three billion men through menopause. The usual dosage is 25-50mg daily.

