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Product name: Mastabol

Manufacturer: British Dragon

Active substance: Drostanolone Propionate

Other names: drostan, drostanol, drostanolon, mastabol, mastabol 100, drostanolone, di-propionat, di-propionate, masterject, masteron, masterone, remastril, remastrile, x-masteron, x-masterone, Masterid, Masteril, Mastisol, Metormon, Permastril, Masteroxyl, Mastodex, Masteron, Mastaplex, Lixus Mast, Mastabolic, Mastebolin, Drostanolone, Dromostanolone, Drostaprogen, Mast, Masto.

Strength: 100 mg

Quantity: 10 ML

Minimum order: $150





Masteron was once a widely popular anabolic and androgen synthetic steroid among bodybuilders. It was manufactured by a European Pharmaceutical company but the widespread abuse and the concern for toxicity led the company to discontinue is production nearly 2 decades ago.

Masteron can increase muscle mass and cause a positive nitrogen balance. The body mass is increased gradually over a period of 4-6 weeks.

Masteron does not undergo aromatization to estrogen and that is why it was preferred to many of the other anabolic steroids. It resembles testosterone in its actions. However, at high doses the drug is converted to some degree to estrogen and can lead to development of breast enlargement and water retention. The drug was never approved for clinical use in medicine because of the concern for side effects. In Europe the drug was tried out as a treatment for resistant anemias and individuals with HIV who had profound weight loss.


Masteron is used by bodybuilders to regain weight and maintain it. The androgenic properties can help increase mass but the effect is not as great as that seen with nandrolone or winstrol. The drug is most commonly used before a sports meet and stopped 2 weeks prior to the event. However, that was in the past. The sophisticated detection techniques available today can identify the drug even a month after use. Masteron has proven to a disappointment for the majority of bodybuilders. The weight gain is gradual and not significant. While some bodybuilders claim that is has kick arse muscle ripping effects, the majority of athletes who have used this drug in the past have complained that the effect was minimal. In part the reason for the failure of the drug may be due to the efficacy of the formulations out on the market. Because the drug is no longer legally manufactured, most of Masteron is made in home made laboratories in Asia and Europe. Besides the poor quality, there have been many instances of fake or counterfeit products.

Bodybuilding Benefits

Injectable steroids which is derivative of dihydrotestosterone with potent androgenic effect and moderate anabolic effect that offers muscular mass and hardness. It assures positive nitrogen balance in humans and promotes protein synthesis. One of its main effects is to give considerable strength while keeping body fat levels steady.


There is no oral formulation of the drug. The dose of Masteron is 100 mg injected every other day, but there are others who recommend using the drug every day. The injections are typically administered in the buttocks and can be painful if done every day. To prevent abscess formation, it is recommended that one change the site of injection every week. There are other bodybuilders who recommend increasing the dose of Masteron to 200-500mg/week. Since the drug has never been formally used in medicine, any recommended dose is purely empirical and based on guess work.

The other most common site of injection is the outer aspect of the thigh. Even though the drug is rapidly absorbed it has a short half life– mainly due to breakdown in the liver. Bodybuilders generally take Masteron with other anabolic steroids like Winstrol or Anavar. Some even add Clomid to the regimen during the wash out phase of the drug. Most experts recommend that the drug should not be taken for more than 3-4 weeks at a time. Since the drug is not broken down to an estrogen, there is no breast enlargement or water retention.


Masteron is banned by all sports organizations and is regularly checked in the urine. Today, the advanced techniques can identify masteron in the urine for up to 3-4 weeks after the last dose.


To be store in a dry place, protected from light, at a temperature of 15-25 ° C. Keep out of reach of children.


The side effects of Masteron of are minimal and rare- assuming that it is the real thing. The majority of past users indicate that they did not observe any side effects-which is very unusual for an anabolic steroid. The most common side effects reported include:


hair loss

mental changes-depression, anxiety, anger, aggressiveness

acne, oily skin

generalized fatigue

The majority of these side effects reverse once the drug is stopped. Women wishing to use this drug should use caution. It can cause potent virilizing effects – some of which are irreversible even after the drug is stopped.

Mastabol Contraindications/Precautionary Measures

Not recommended in case of hypersensitivity to the drug or allergic reactions. Not to be used by males with breast carcinoma, pregnant women or those suspected to be, individuals known top be hypersensitive to this drug, males with or suspected to have prostate gland carcinoma, individuals with severe hepatic, cardiac or renal disease. Males are advised seek medical attention in case of persistent or frequent penis erection. Females should also do so in case of grown of facial hair, changes in the menstrual cycle, acne and hoarseness.

Mastabol Stack/Cycle

The length of cycle is about 6-10 weeks and it is taken in combination with Winstrol tabs, Parabolan, Primobol Inj., Oxandrol and Testo-P 500 to achieve considerable muscular gains, as well as with Trenboxyl Acetate 100 and Testosterone products during cutting period.


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