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Andro Labs Masterone / Drostanolone Propionate 125mg/ml 10ml

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Drostanolone Propionate (Masteron)

Drostanolone Propionate, widely known by its trade name Masteron, is an injectable anabolic steroid derived from Dihydrotestosterone (DHT). It is unique in the bodybuilding world because it is rarely used to gain mass; instead, it is used to refine and "harden" the physique.

How It Works: The "Cosmetic" Specialist

Masteron is often called a "cosmetic" drug because its primary benefit is visual rather than scale-weight related.

  1. Anti-Estrogenic Properties: Masteron has a unique ability to inhibit the aromatase enzyme or interact with estrogen receptors. It acts as a mild anti-estrogen.

    • Result: It pulls sub-dermal water out of the body, creating a paper-thin skin look.

  2. Muscle Density: It provides extreme muscle hardness and density. It does not volumize the muscle (like Deca); it hardens the fiber.

  3. SHBG Binding: Like Winstrol and Proviron, Masteron binds strongly to SHBG, freeing up more testosterone to be used by the body. This makes it an excellent "stacker" to enhance other drugs.

General Dosage Guidelines

Drostanolone Propionate has a short ester (half-life ~2 days), requiring frequent injections.

CRITICAL RULE: The Body Fat Requirement

Note: Masteron shines ONLY if the user is already lean (typically under 10-12% body fat). If a user has a high body fat percentage, the "hardening" effects will be hidden under the fat layer, making the drug essentially useless for them.

1. Cutting / Pre-Contest (Standard Protocol)

  • Dosage: 300 mg to 500 mg per week.

  • Injection Schedule: 100 mg Every Other Day (EOD) is the most common and effective protocol.

  • Duration: 6 to 10 weeks (usually towards the end of a cutting cycle).

  • Stacking: Almost always stacked with Testosterone Propionate and Winstrol or Trenbolone.

2. Athletic Performance

For athletes who need strength without gaining weight (to stay in a weight class).

  • Dosage: 200 mg to 300 mg per week.

3. Female Use

Masteron has a relatively high risk of virilization, but some female competitors use it in low doses for contest prep.

  • Dosage: 50 mg per week (split into multiple small injections).

  • Risk: High. Voice deepening can occur quickly.