Compound Library

Ancillary / Androgen/SHBG

Proviron (Mesterolone)

Oral androgen that is DHT-derived. Does not convert to estrogen. Reduces SHBG — increases free testosterone. Mild androgenic activity. Used to improve libido, mood, and free T on cycle. Anti-gyno properties (AR binding reduces estrogen activity).

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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 dose25–75mg oral daily.
Half-life12 hours
Risk flagmoderate
Regulatory noteReview required

Side effects and watch-outs

  • Hair loss (DHT)
  • Acne
  • Mild androgenic effects
  • Minimal testosterone suppression
  • Cholesterol impact (mild)