メステロロン CAS:1424-00-6

Mesterolone is an orally applicable androgen and dihydrotestosterone (DHT) derivative.In the late 70s and early 80s, it was used with some success in controlled studies of men suffering from various forms of depression.
Just as with DHT, the activity of this steroid is that of a strong androgen which does not aromatize into estrogen. Mesterolone is generally used to treat various types of sexual dysfunction, which often result from a low endogenous testosterone level. It can usually reverse problems of sexual disinterest and impotency, and is sometimes used to increase the sperm count.

Although this steroid is strongly androgenic, the anabolic effect of it is considered too weak for muscle building purposes.Proviron/Mesterolone may actually work to potentate the activity of other steroids by displacing a higher percentage into a free, unbound state. Among athletes Proviron® is primarily used as an antiestrogen.Mesterolone is believed to act as an antiaromatase in the body, preventing or slowing the conversion of steroids into estrogen. Proviro can supplement a wellneeded androgen, and bring about an increase in the hardness and density of the muscles. Women in particular find a single 25mg tablet will efficiently shift the androgen/estrogen ratio, and can have a great impact on the physique.

Mesterolone represent an oral androgen Which is characterized with anti-estrogenic activity. Proviron Dissimilar to other oral supplements, this is neither drug hepatotoxicity no 17-alkylated.In medicine Mesterolone is Widely applied for men in treating sexual dysfunction, Which Proviron is the result of low level of testosterone. Mesterolone does not have the propriety to increase production of testosterone in the body, it is just used to correct production of natural male androgen. This supplement is preferred by those bodybuilder / athletes who are sensitive to estrogenic Proviron side effects of Proviron drought and water retention or gyno.There are many reasons that Proviron make Mesterolone Widely used by bodybuilders. First of all oral preparation even being it is not toxic on liver. Another positive thing to know about this drug Proviron is that it be added Mesterolone normal androgen levels cause libido improvement.