10 Vials of 100mg or 200mg Masteron (Drostanolone Propionate) – Lab-tested, high-purity anabolic research compound. Supports muscle hardness, lean definition, and non-estrogenic physique refinement studies with secure payment and fast, discreet shipping.
Masteron (Drostanolone Propionate) is an injectable anabolic-androgenic steroid derived from DHT, originally used to treat advanced breast cancer in women. It does not convert to estrogen, avoiding water retention and gynecomastia.
Properties and Use
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Mechanism: Binds to androgen receptors, increasing protein synthesis and reducing estrogen/prolactin receptor activity in breast tissue.
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Anabolic/Androgenic Ratio: Moderate anabolic effects with weak androgenic activity (~1:3–1:4).
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Half-Life: ~2–3 days, requiring injections every other day.
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Non-Aromatizing: No estrogenic side effects; may even act as a mild aromatase inhibitor.
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Hepatotoxicity: Not 17α-alkylated, so not liver toxic.
Benefits and Risks
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Use: Favored in bodybuilding for cutting cycles to enhance muscle hardness, definition, and vascularity.
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