Mesterolone or Proviron on a structural basis is similar to other DHT compounds such as Winstrol; however, its mode of action is closer related to Masteron. Proviron does not carry an aromatizing nature and carries a low androgenic rating as does Masteron, but its anabolic rating is much higher. Proviron displays one of the most deceiving anabolic ratings of 150, 50% greater than testosterone, Proviron will display little to no anabolic properties.
Proviron binds strongly the androgen receptors and Sex Hormone Binding Globulin (SHBG) it has the ability to greatly promote direct lipolysis and even promote more free testosterone by its SHBG binding nature. This creates a synergetic action that makes other steroids being used more powerful than they would be otherwise. These, along with its decent anti-estrogenic effect represent the traits that can make Proviron a valuable steroid.
The best time to use Proviron will be during the cutting phase. This steroid has the ability to provide a bit of a hardening effect similar to Masteron, but more importantly the hardening effects of other steroids will be enhanced. Then we consider its strong binding to the androgen receptor, which will in fact enable the individual to burn body fat at a far more efficient rate. From here we must consider the anti-estrogen effect of Proviron. This will ensure the individual is less prone to water retention and as discussed, depending on the total cycle, it could negate the need for a traditional anti-estrogen. Then we’re once again left with the enhancement of circulating free testosterone. This can be a tremendous benefit when testosterone levels are often much lower during this phase of anabolic steroid use. The primary base benefit is the increased androgenicity of other steroids being used in order to promote a much harder and far more defined physique. It should be noted while Proviron can most certainly provide these traits they will not be noticeable unless you are lean.