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Drostanolone Propionateis a steroid compound that is described chemically as 17ß-Hydroxy-2α-methyl5α-androstan-3-one MASTERONE is a sterile solution of Drostanolone Propionate.

MASTERONE is a synthetic derivative of dihydrotestosterone, producing an anabolic effect and promoting protein synthesis as well as creating positive nitrogen balance in humans. Since it is a derivative of dihydrotestosterone, Drostanolone does not aromatize to estrogens.

MASTERONE has significant anabolic and androgenic properties promoting an increase in strength and growth of muscle tissue while acting as an estrogen antagonist.

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