Drostanolone Propionate

Synonyms: Masteron; Dromostanolone Propionate

CAS: 521-12-0

EINECS: 208-303-1

Assay: 99% min.

Packing: foil bag or tin.

Delivery: Express courier.

Character: White crystalline powder.

Usage: pharmaceutical material, Steroid hormone, Anabolin. As a male hormone and anabolic hormones.




Much like Proviron, Masteron could be used as an anti-side-effect-drug (remember, most ancillary drugs we use to combat estrogenic sides, like nolvadex, letrozole, and arimidex were

originally developed to combat breast cancerand thats exactly what Masteron was developed and used for). Along a similar line, being a DHT derivative, its got a very nice ability to add muscle hardness to an already lean physique. Drostanolone Propionate helps

eliminate fat as well (if not better) than much more highly scored androgens, in part due to its being a derivative of DHT.

Masteron is derived from DHT, could be used as an anti-estrogenic drug, clearly it doesn't convert to estrogen and actually works to reduce it in your body, can possibly cause hairloss and other DHT-related sides, is great for all types of athletes and BB'ers, but not women in high doses, it stacks well with almost anything, is very androgenic, awesome for losing fat and getting "hard", and should be used at around 400-500mgs/week. It's no surprise that it's many people's favourite steroid.


Application on Bodybuilding: 


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

 Dromostanolone Propionate is also used primarily by athletes who need to retain strength while losing mass. It is beneficial to runners and athletes who must remain in a certain weight class  and it can increase muscle hardness and density, giving an individual a more complete appearance when competing on stage.] However, an already rather low body-fat level is needed for it to take full effect.   


Words from Experienced Bodybuilder:


Dromostanolone Propionate is very similar to the Enthanate but Is a much faster acting Pre- Contest steroid with high Anabolics, Androgenic properties!  Shots are every other day! Best stacked wiith Winstrol and Halotestin for that dry hard muscle leading into the final weeks of the bodybuilding competition!


 Drostanolone Propionate(Masteron) the Slow But Longer Acting steroids

If adding muscle density and hardness is your primary goal, Masteron or Drostanolone would be the ideal anabolic androgenic steroid for you. If that was not all, this steroid being 5-alpha reduced cannot lead to estrogen formation upon interaction with aromatase enzyme. Moreover, Masteron has the unique potential of reducing the level of estrogen formed from other performance enhancing drugs used in a steroid cycle as it takes up a big share of the aromatase enzyme.

Masteron propionate and Masteron enanthate and the primary difference between them that while the enanthate version is slow but long acting, the propionate version is fast but is required to be injected every other day.

One of other noteworthy advantages of Masteron is that this steroid gives a complete appearance to users when competing on stage. Moreover, this steroid also has the potential of promoting body strength while keeping the level of body fat low. This means Drostanolone is one of the best options for athletes who want to prevent muscle loss while dieting and an ideal choice for bodybuilders and others participating in weight categories or classes and want to improve performance without gaining weight.

Primarily considered a pre-contest drug for athletes and bodybuilders, Masteron is best used by athletes and bodybuilders with a very low percentage of body fat. Masteron is also admired by athletes as it can improve the level of free testosterone circulating in the body and enhance bioavailability of other steroids in a cycle by preventing measurable amount of SHBG (Sex Hormone Binding Globulin) from binding to other anabolic steroids to render them inactive.


Masteron can be used as the sole injectable: in this case, I prefer to see dosing of 500-700 mg/week. A Masteron/Dianabol stack is more effective however, as is a Masteron/Anadrol stack. Testosterone also combines well with Masteron.

Another use of Masteron which has become more common lately is combination with trenbolone. Unlike combination with Dianabol or Anadrol, there is only an additive effect, not a synergistic effect. However, including Masteron allows a lower trenbolone dosage while achieving very similar or equal physique benefit with less potential for trenbolone-specific side effects of night-sweats, increased tendency to aggression, and/or insomnia.

Masteron also is useful in combination with testosterone for self-prescribed hormone-replacement therapy (HRT.) For example, 100 mg/week each of Masteron and testosterone can be superior for physique benefits to 200 mg/week testosterone alone, while being milder in side effects due to lower resulting levels of estradiol (estrogen) and DHT.


Masteron is ideally used by male athletes at least every third or fourth day in doses of 50mg or 100mg every second day. A big majority of advanced athletes use this steroid in weekly doses of 400-600mg. Female athletes can use Masteron in weekly doses of 20-50mg. This non-aromatizing androgen is best suited for cutting cycles though some athletes may make Masteron a part of bulking cycles with Deca Durabolin or Dianabol. Performance enhancing drugs like Primobolan, Oxandrolone, or Winstrol.


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