Mast P100 (Drostanolone Propionate) – 100mg / ml – A-Tech Labs – 10ml


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Drostanolone is used by many bodybuilders who are preparing for competitions. Masteron has good anti-catabolic properties that allow you to retain muscle and strength while melting body fat before a competition.

  • Laboratory: A-Tech Labs,
  • Form: Injection,
  • Molecule: Drostanolone Propionate,
  • Concentration: 100mg / ml,
  • Presentation: Vial de10ml,
  • Recommended dosage: 100-400mg / week


  • Muscle definition: 4/5
  • Mass gain: 1/5
  • Fat / water loss: 1/5
  • Side effects: 2/5
  • Conservation of gain: 4/5

Buy Drostanolone Propionate A-Tech Labs

Drostanolone Propionate or Masteron is probably one of the most interesting steroids used by athletes. It is primarily intended for the treatment of patients with breast cancer to inhibit the production of estrogen. Estrogen is the hormone secreted by the female which gives them their distinct sexual characteristics. Maseril, the trademark of Drostanolone Propionate when used in the treatment of breast cancer is combined with SERMs (Selective Oestrogen Receptor Modulator). There was a drop in estrogen levels in women who had received treatment using this hormone. Masteron had become a favorite steroid among athletes and bodybuilders. It is a very popular anabolic steroid. Masteron is a derivative of dihydrotestosterone or DHT which limits the conversion to estrogen by aromatization. Its ability to inhibit estrogen from interacting with the aromatase enzyme or blocking the receptor that binds estrogen may be responsible for this phenomenon. Whatever the reason, due to its anti-estrogenic properties, it blocks the conversion of free testosterones to estrogen through aromatization. This makes Masteron a common inclusion in a high anabolic cycle. Since the compounds used in cycles to achieve mass and strength gains have a very high testosterone content, Masteron is used to prevent estrogenic side effects.

Side effects

Side effects include bloating or fluid retention and gynecomastia. While some believe that there is poor aromatization with Masteron, it still has significant androgenic side effects that one should expect when using this steroid. This can include episodes of oily skin, acne, and body / facial hair growth. Anabolic / androgenic steroids can also make hair loss worse in men. Anabolic / androgenic steroids can have deleterious effects on serum cholesterol. This includes a tendency to lower HDL (good cholesterol) cholesterol values ​​and increase LDL (bad cholesterol) cholesterol values, which can shift the HDL balance towards LDL in a direction that promotes a greater risk of arteriosclerosis. . should be careful to use this in post cycle therapy as it could actually slow down recovery.

Dosage and Administration

The total weekly dosage of this product is typically 200-400 mg, over a period of 6-12 weeks. This dose is sufficient to provide measurable gains in lean muscle mass and strength.


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