Compound Library

Oral Steroid / DHT Oral

Mesterolone (Proviron)

Oral DHT derivative — not significantly anabolic. Used to increase free testosterone via SHBG binding, provide androgenic support on cycle, and mild anti-oestrogenic properties. Medically prescribed for male hypogonadism.

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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 dose25–75 mg/day
Half-life12 hours
Risk flagmoderate
Regulatory noteFDA-approved context noted

Side effects and watch-outs

  • Hair loss (potent DHT — significant in genetically predisposed)
  • Acne
  • Mild hepatotoxicity (milder than most orals)
  • Prostate enlargement with chronic use
  • Virilisation in women
  • Rare: polycythaemia at high chronic doses