Compound Library

Anabolic / DHT Derivative

Primobolan (Methenolone Enanthate)

DHT-derived anabolic with moderate androgenic activity. Mild side effect profile — Arnold Schwarzenegger reportedly used it extensively. Does not aromatize. Maintains muscle during caloric deficit. Low toxicity. Immune-enhancing properties. Expensive and commonly counterfeited.

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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 dose400–1000mg IM per week.
Half-life264 hours
Risk flagmoderate
Regulatory noteResearch-only flag

Side effects and watch-outs

  • Hair loss (DHT derivative — affects DHT-sensitive individuals)
  • Mild suppression
  • Acne (mild)
  • HDL reduction
  • No E2 conversion
  • No liver toxicity (injectable form)