Compound Library

Oral Steroid / Oral

Methasterone (Superdrol)

Designer steroid. One of the most hepatotoxic oral AAS available. Extremely dry, hard strength gains rapidly. Very high risk of serious liver damage. Maximum 2–3 week cycles. Liver support is non-negotiable.

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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 dose10–20 mg/day. ABSOLUTE MAXIMUM 3 weeks.
Half-life8 hours
Risk flagextreme
Regulatory noteResearch-only flag

Side effects and watch-outs

  • ⚠️ SEVERE hepatotoxicity — liver failure reported
  • Lethargy/fatigue (very common and significant)
  • Severe HDL suppression
  • Blood pressure spikes
  • HPTA suppression
  • Acne
  • Hair loss
  • ⚠️ MANDATORY: TUDCA 500 mg/day, LFTs every 2 weeks
  • ⚠️ CONTRAINDICATED with alcohol, other hepatotoxic compounds, or any liver condition
  • 3 weeks absolute maximum — exceeding this risks acute liver failure