Masteron is commonly associated with drostanolone propionate, a propionate ester of the synthetic androgen drostanolone. It is structurally related to dihydrotestosterone and does not aromatize into estrogen.

The supplied product identifies a 100 presentation. Drostanolone has historical pharmaceutical associations but is also widely encountered in non-medical anabolic steroid contexts.

Androgenic exposure can suppress natural hormone production and affect fertility, cholesterol levels, cardiovascular health, skin, and hair.