Generic Name: dromastanolone di-propionate
Masteron is a steroid highly valued by competing bodybuilders. The great popularity of this injectable steroid in bodybuilder circles is due to the extraordinary characteristics of its included substance. Drostanolone propionate is a synthetic derivative of dihydrotestosterone. This causes the Masteron not to aromatize in any dosage and thus, it cannot be converted into estrogens. This distinctive feature is confirmed by the Belgian manufacturer, Sarva Syntex, who on the enclosed package insert calls Masteron a steroid with strong, antiestrogenic characteristics. Since Masteron is a predominantly androgenic steroid, the athlete can increase his androgen level without also risking an increase in his estrogen level.

This results in a dramatically improved hardness and sharpness of the muscles. One must, however, make a distinction here since Masteron does not automatically improve the quality of muscles in everyone. A prerequisite is that the athlete's fat content must already be very low. In this case Masteron can then be the decisive factor between a smooth, flat muscle or a hard and ripped look. For this purpose Masteron is often only used during the last four weeks before a competition so that the muscles get the last "kick." Masteron is especially effective in combination with steroids such as Winstrol, Parabolan, Primobolan, Oxandrolone and also Testosterone propionate. The usual dosage taken by athletes is around 100 mg three times per week. Since the substance drostanolone propionate is quickly broken down in the body, frequent and regular injections are necessary. This fact makes Masteron a very interesting steroid when doping tests must be passed by a negative urine analysis. Since the propionate substance of drostanolone does not remain in the body very long in a sufficient, detectable amount, athletes inject the compound with great success up to two weeks before a test. However, since it also has anabolic characteristics and thus helps the build up of a high-qualitative muscle system, the use of Masteron is not only limited to the preparation stage for a competition. Athletes who want to avoid water retention and who readily have a problem with an elevated estrogen level, likewise appreciate Masteron. Also in this case usually one ampule (100 mg) is injected every second day. In combination with Primobolan, Winstrol or Testosterone propionate no enormous strength and weight gains can be obtained, only high-quality and long-lasting results. Although women do not use Masteron very often some national and international competing female athletes do take it before a championship.

Stacking and Use:

Drostanolone is not a drug that requires the use of alternate drugs. People with a tendency for hypertension may want to take the necessary precautions, but drostanolone does not aromatize at any rate making the use of anti-estrogens irrelevant, both during a cycle to prevent side-effects as post-cycle to boost natural testosterone (E.g. Clomid). There is simply no need for alternate drugs and because its an esterified injectable there is no hazard to the liver worth mentioning either.

Best use is to inject 50-100 mg every day to every other day, depending on your degree of expertise in training and your size of course. Most beginners will be quite satisfied with either 50 mg every other day or 100 mg every 3 days. Mostly used in conjunction with other drugs as DHT is quite easily de-activated in the body (althouth drostanolone's 2-methyl group protects it somewhat from deactivation by stabilizing the 3-keto group).

Drostanolone is best stacked with something in the nature of boldenone (Equipoise) at 300 mg a week. The boldenone gives increased vascularity and the drostanolone adds muscle density while the stack as a whole preserves muscle mass. Although its rare that someone opts for a stack of two compounds with largely similar action, something can be said about stacking drostanolone with Stanazolol (Winstrol/stromba). The drostanolone doesn't stay active at the AR very much, often being drawn to SHBG, albumin, aromatase or 3bHSD, but still adds distinct hardness and boosts strength to some degree. Adding Winstrol, which has higher activity at the Androgen Receptor and some affinity for the progesterone receptor may form quite a synergistic stack. It would also be safe to throw in some nandrolone (Deca-Durabolin) at 200-300 mg per week.

One would almost never use drostanolone while trying to gain mass, except in order to block the aromatase enzyme, which forms estrogen. But a better option there is Proviron, an analog DHT-compound (mesterolone) which is basically only used for that purpose. Drostanolone is too expensive and too hard to come by to employ it for that reason.

Source: bodybuilding.com