Proviron has recently been actively used in bodybuilding and other sports. Experienced athletes evaluated its aromatase inhibitory properties, which prevent the conversion of anabolic steroids into estrogen, a female hormone. Its ability to prevent gynecomastia is still being studied and discussed. Another important feature is that it does not affect the appearance of natural testosterone…

Proviron is one of the oldest anabolic androgenic steroids on the market. A product of the giant pharmaceutical factory Schering, it first appeared in 1934. Officially known as Mesterolone, it has been marketed under many brands over the years, but the Proviron name has always remained dominant. It remains one of the most misunderstood anabolic…