Manufacturer: Shering
Category: Oral Steroids
Substance: Mesterolone (Proviron)
Package: 25mg (10 pills)



Provironum is a synthetic actually acting androgen that does not have anabolic qualities. In conventional medicine, Mesterolone is used to treat disorders caused by a lack of male sex hormones. Therefore, many athletes use it at the end of a steroid course to raise reduced testosterone production.

This is not a bad idea – Mesterolone does not affect its own testosterone production, but, as mentioned above, alleviates or completely eliminates abnormalities caused by a lack of testosterone, in particular, potency disorders that can occur when steroids are discontinued, or sterility, expressed in reduced sperm and its reduced quality.

Provironum Effects

Provironum will be able to raise reduced sexual interest and potency during or as the steroid course is discontinued. But the strength and mass, disappearing after a steroid course, does not save. For this there are special preparations, for example Clomid. Mesterolone is an estrogen antagonist that prevents aromatization of steroids. Unlike Tamoxifen’s anti-estrogen, which blocks estrogen receptors, Mesterolone prevents the steroids from being flavored, that is, gynecomastia and excessive water retention are prevented.

Since Mesterolone strongly suppresses the production of estrogens, when you stop taking the drug does not occur the opposite effect, as can happen when taking Tamoxifen, where the aromatization of steroids is not prevented. It can be said that Mesterolone rips out the ailment (aromatization) with the root, while Tamoxifen fights symptoms. Male athletes should prefer Proviron to Tamoxifen.

With Mesterolon, an athlete will achieve better muscle hardness, since androgen levels rise, while estrogen concentrations remain low. This is especially pronounced when preparing for a competition, when an athlete keeps a diet. Bodybuilders, who by nature have higher levels of estrogen, are often added to steroids Mesterolone, which results in increased muscle density. It used to be common among professional bodybuilders to take 25 mg every day for several weeks, i.e. one tablet a day to look lean for a whole year.

Provironum side effects

Side effects of Mesterolone in men with a dose of 2-3 tablets per day are extremely small, so that it can be taken relatively safely over several weeks in combination with the steroid cycle. It is very well tolerated by the liver and, in the indicated dosages, does not cause liver dysfunction. For athletes who are accustomed to work under the motto of more-better, Mesterolon’s reception could cause something paradoxical.

How to take Provironum

The instructions for use of the drug write: High dosages can lead to a delay in the body of electrolytes and water, and as a result of edema. Those who take no more than 2-4 pills daily may not worry about it. Perhaps the most frequent side effect of Mesterolon – here we should rather speak about the accompanying phenomenon – pronounced sexual overstimulation and, in some cases, prolonged erection of the penis. Since This condition is painful and can cause all sorts of damage, it makes sense to reduce the dose of the drug, or to stop its use altogether.

Bodybuilders should use Mesterolone with caution, because all possible androgenic side effects are not excluded. Women are advised to take no more than one 25 mg tablet per day.
Higher doses and duration of administration for more than 4 weeks increase the risk of masculinization. Athletes who do not have problems with Mesterolone, achieve good results, taking 25 mg of Mesterolone and 20 mg of Tamoxifen per day. They say that, in combination with a diet, there is an accelerated fat burning and rapid muscle hardening.

Additional information