Masteron is a powerful anabolic/androgenic steroid derived from DHT that was designed to fight certain forms of breast cancer originally.  It is used by bodybuilders as a bulking and cutting agent, as well as an ancillary drug to combat estrogenic side effects such as water-retention.  Its liver toxicity is extremely low, although side effects such as acne, hair loss and benign prostate enlargement are common.

Masteron is an injectable preparation containing the steroid drostanolone propionate.  Drostanolone is a derivative of dihydrotestosterone, more specifically 2alpha-methyldihydrotestosterone.  As a result, the structure of this steroid is that of a moderate anabolic/potent androgen which does not aromatize to estrogen.  Water retention and gynecomastia are therefore not a concern with this drug.  In fact, Masteron exhibits anti-estrogenic activity in the body, competing with other substrates for bin ding to the aromatase enzyme.  This reduces the conversion rate of other steroids, Masteron acting in a similar manner as the oral steroid Proviron.

Bodybuilders find tremendous utility with non-aromatizing androgens, particularly during a cutting phase. They are generally used for a number of weeks leading up to a competition in an effort to bring out improved density and hardness to the muscles.  As long as body fat percentage is low, Masteron is incredibly effective.   Provided everything else is in place for the athlete to peak, he/she can achieve that “ripped” look so popular to professional bodybuilding with the aid of this and similar compounds.  The androgenic effect can also be crucial during this period, a time when caloric intake is drastically lowered. The user is provided added “kick” or “drive” to push through the g rueling training sessions leading up to the event.  Recreational users might also be interested in Masteron.  Although dihydrotestosterone is not highly active in muscle tissue, the 2 alkylation present on drostanolone considerably intensifies its anabolic effect.  It can therefore be used somewhat effectively as a bulking agent, providing a consistent gain of high quality muscle mass.  It can also be successfully combined with other steroids for an enhanced effect.  Stacking drostanolone with an injectable anabolic such as Deca-Durabolin or Equipoise can provide enhanced muscle gains without excessive water retention.  For greater mass gains, a stronger androgen such as Dianabol or an injectable testosterone is ide al.  This often results in extreme muscle gains with a lower level of water retention and other estrogenic side effects than if these steroids were used alone (usually in higher doses).  Masteron can be used during cutting phases as well.  A cycle of Masteron combined with Winstrol, Primobolan or Oxandrolone will provide great muscle retention and fat loss, especially during periods of intense dieting and long training sessions which are quite catabolic without these steroids present in the blood stream.  None of these steroids aromatize, and therefore there is no unwanted water and fat retention.

Since the compound is linked to a propionate ester, injections need to be repeated every 3 - 4 days at least in order to maintain a consistent level of hormone in the blood.  The weekly recommended dosage is 300-500mg.

Since estrogen is not an issue, side effects are generally mild with this steroid.  As discussed earlier, gynecomastia, water retention, and high blood pressure are mitigated.  In addition, Masteron is not liver toxic, even during longer cycles.  The only side effects of concern are the basic androgenic properties of dihydrotestosterone.  These include oily skin, acne, body/facial hair growth, aggression and accelerated hair loss.  Since this compound is already a synthetic DHT, Proscar would have no impact on the level of androgenic effects.  Men with a receding hairline or those with a predisposition for male pattern baldness may wish to stay away from Masteron completely, as the potent androgenic effect of this steroid can easily accelerate this condition.


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