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Enclomiphene vs Pregnenolone

A side-by-side research comparison of Enclomiphene and Pregnenolone across mechanism, dosing, half-life, benefits, side effects and research status.

Comparison table

AttributeEnclomiphenePregnenolone
Full nameEnclomiphene CitratePregnenolone (Mother Hormone)
CategoryHormone ReplacementHormone Replacement
StatusInvestigational drugOTC supplement / Prescribed
MechanismBlocks estrogen receptors in the hypothalamus, reducing negative feedback and increasing GnRH pulsatility, which stimulates LH and FSH release for endogenous testosterone production.Acts as the primary substrate for steroidogenesis (cortisol, DHEA, progesterone, testosterone, estrogen). Also functions as a neurosteroid, enhancing memory and NMDA receptor activity.
Molecular weight598.09 Da316.48 Da
Half-life10-14 hours~1-3 hours (oral)
Bioavailability~50% oral~60% oral
Typical dose12.5-25 mg50-100 mg
FrequencyDailyDaily (morning)
RouteOral capsuleOral capsule or sublingual

Enclomiphene reported benefits

  • Increased endogenous testosterone
  • Preserved fertility
  • Improved libido
  • Enhanced energy and mood
  • No testicular atrophy

Pregnenolone reported benefits

  • Hormone precursor balance
  • Memory enhancement
  • Mood improvement
  • Joint support
  • Myelin sheath repair
  • Stress resilience

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Research and educational reference only. Not medical advice.