Compound Library

Anabolic / DHT

Drostanolone Propionate (Masteron)

DHT derivative with anti-oestrogenic properties. Enhances muscle hardness and vascularity — but ONLY visible at low body fat (<15%). No aromatisation. Does not replace an AI. EOD injections.

Build protocol outline Open dose calculator TNHL ebooks
Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose300–600 mg/week (100–200 mg EOD)
Half-life60 hours
Risk flagmoderate
Regulatory noteResearch-only flag

Side effects and watch-outs

  • ⚠️ Hair loss acceleration (potent DHT — significant in predisposed individuals)
  • Severe back/chest acne
  • Prostate enlargement with chronic use
  • Cardiovascular toxicity at higher doses
  • HPTA suppression
  • ⚠️ Virilisation in women — voice and clitoral changes can be permanent