MASTERONE by Meditech is a pharmaceutical-grade Drostanolone Propionate injectable formulation, characterized by its short-acting propionate ester and rapid-onset pharmacokinetic profile. Drostanolone propionate is a DHT-derived anabolic-androgenic compound with an extensive research history in comparative steroid pharmacology literature, distinguished by its non-aromatizing structural profile, high SHBG binding affinity, and documented anti-estrogenic properties relative to other anabolic-androgenic compounds.
 
✔ Key Research Insights
Studied for its rapid-onset pharmacokinetic profile, with documented early elevation of serum drostanolone concentrations following intramuscular administration in research subjects, attributed to the short-chain propionate ester
Investigated for drostanolone's DHT-derived pharmacological profile, including its documented absence of aromatization to estrogen and high SHBG binding affinity in comparative steroid pharmacology research
Researched for its anti-estrogenic properties, with documented inhibitory effects on aromatase enzyme activity and estrogen receptor competition referenced across anabolic research literature
Examined for its effects on muscle density and vascular parameters in clinical observations, associated with drostanolone's non-estrogenic anabolic profile and absence of fluid retention in research subject populations
Documented for its influence on lean mass preservation during caloric deficit protocols, a pharmacological characteristic consistently associated with drostanolone across comparative anabolic-androgenic steroid research
Manufactured by Meditech to pharmaceutical-grade purity and potency standards
 
📦 Product Specifications
Manufacturer: Meditech
Product: MASTERONE
Molecule: Drostanolone Propionate
Concentration: 100 mg/mL
Appearance: Oil-based solution
Packing: Sterile 10 mL vial 
Dosage considerations may vary. Consulting a qualified professional is recommended.
 
⚙ How It Works
Drostanolone propionate is a 2α-methyl-dihydrotestosterone derivative administered via intramuscular injection. In research subjects, the propionate ester undergoes rapid enzymatic hydrolysis following administration, releasing free drostanolone into systemic circulation within a compressed timeframe, necessitating more frequent administration intervals to maintain stable serum concentrations relative to longer-acting drostanolone ester preparations. Drostanolone exerts its primary pharmacological effects through androgen receptor binding in muscle and target tissues, with documented downstream influences on protein synthesis and nitrogen retention in research literature. Its 2α-methyl modification and DHT-derived structure confer complete resistance to aromatization via the aromatase enzyme, resulting in the documented absence of estrogenic effects including fluid retention across research subject populations. Additionally, drostanolone has been investigated in pharmacological research for its competitive inhibition of the aromatase enzyme and estrogen receptor binding activity, contributing to its documented anti-estrogenic profile within multi-compound research protocols. Its high binding affinity for sex hormone-binding globulin (SHBG) has been documented as a mechanism associated with increased free androgen availability in subject populations, representing a pharmacologically relevant secondary effect distinct from its primary androgen receptor activity.
 
⭐ Product Overview
Manufactured by Meditech to pharmaceutical-grade purity and consistency standards
Short-acting propionate ester formulation with a well-documented rapid-onset pharmacokinetic profile in comparative drostanolone ester research
Non-aromatizing DHT-derived compound with documented anti-estrogenic properties and high SHBG binding affinity referenced across comparative steroid pharmacology literature
Available in both multi-dose vial and single-dose ampoule formats for clinical administration flexibility
Widely referenced in anabolic pharmacology research under the drostanolone propionate and Masteron designations