No vendor has published third-party results for this compound yet; rankings appear here the moment the record does.
Mesterolone, known as Proviron, is an oral androgen from the pharmaceutical era, controlled in most places and prohibited in sport. Legally it belongs with the steroids, not the peptides.
As everywhere on this site: the vendor index shows who publishes real testing, and the calculator turns doses into syringe units.
Nothing on this page is medical advice; compounds shown are sold for research purposes only. Data is aggregated from publicly published third-party results and traces to its source.