Mesterolone 25 tab. (50 mg/1 tab.)


Mesterolone from ZPHC is a hormonal drug used by bodybuilding athletes to suppress estrogenic activity during course use of anabolic steroids. It is also used in post-course therapy to restore the natural hormonal level.



It is also worth noting the positive effect produced by Mesterolone during drying, i.e. increasing the stiffness of the muscles and the ability to give the muscles an amazing definition.

With Mesterolone, the athlete will achieve better muscle hardness, because the level of androgens increases, and the concentration of estrogens remains low.

This is especially evident when preparing for the championships in combination with a diet.

improvement of erectile function.

Mesterolone blocks globulin and albumin enzymes that bind testosterone in the body.

Thus, there is more free testosterone in the bloodstream. This affects sexual activity, and also accelerates some anabolic processes, for example, protein synthesis.

Steroid profile

  • anabolic activity: 40%
  • androgenic activity: 100 150%
  • aromatization: absent
  • suppression of the axis hypothalamus pituitary testicles: absent
  • Liver toxicity: virtually absent at standard doses
  • method of administration: orally (in tablets)
  • duration of life in the body: 12 hours
  • detection time: about 60 days

Mesterolone application and dosage

The drug is often taken before competitions, the use of this drug gives muscles volume, stiffness and relief, the muscle mass becomes drier and better quality. Athletes also use Mesterolone during courses of anabolics with a low androgenic effect (for example, Nandrolone or Trenbolone).These anabolics have such a side effect as suppression of the natural activity of testosterone, and Mesterolone restores hormonal balance.

The optimal daily amount of Mesterolone for men is 50 mg. This dose is divided into two doses, the drug is used after a meal, not chewed and washed down with water.

Mesterolone is usually taken from the second week after the beginning of anabolic courses of Nandrolone, Trenbolone and other steroids with high aromatization and low androgenic effect.

Athletes, who naturally have a higher level of estrogen, often add Mesterolone to steroids, which manifests itself in increased muscle density.

Previously, it was common among professional bodybuilders to take 25 mg daily for several weeks, i.e. one 25 mg tablet a day, sometimes for months, to look burnt for an entire hour. This is important especially in relation to performances and filming. Today, Clenbuterol is most often taken for a whole hour, because it does not cause the obvious vilifications that are possible with Mesterolone. Because Mesterolone is very effective, 50 mg per day is enough for men. This means that the athlete swallows one 25-mg tablet in the morning and the same one in the evening. In some cases, one such pill is enough.

If Mesterolone is combined with Tamoxifen (50 mg of Mesterolone per day and 20 mg of Nolvadex per day), almost complete suppression of estrogens occurs. 50 mg of Mesterolone per day and 500 – 1000 mg of Fludestrin per day bring even better results. But because Fludestrin is an extremely expensive drug, most athletes do not even hesitate about this combination.

Side effects and contraindications

In post-course therapy, Mesterolone is sometimes combined with Clomid for rapid restoration of natural hormonal activity.Side effects In optimal doses, the drug is practically harmless. In case of overdose, it can negatively affect the function of the prostate gland.

Mesterolone in men at a dose of 2-3 tablets is extremely small, so that Mesterolone in combination with a steroid cycle can be taken relatively safely for more than a few weeks. Mesterolone is very well tolerated by the liver, and in the indicated dosages, liver function will not be impaired.

Mesterolone is a time-tested drug actively used by experienced bodybuilders during anabolic cycles and at the stage of preparation for competitions.


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