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Benefits of Pregnenolone

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Evidence-Based Benefits

  • Cognitive function — pregnenolone sulfate enhanced memory in rodent models and showed preliminary improvements in cognitive scores in schizophrenia patients (Marx et al., 2009)
  • Mood support — a pilot RCT in bipolar depression showed improvements in depressive symptoms at 500mg daily (Brown et al., 2014)
  • Hormone restoration — oral supplementation raises serum pregnenolone and downstream metabolites including DHEA and progesterone
  • Neuroprotection — pregnenolone sulfate modulates NMDA and GABA-A receptors as an endogenous neurosteroid

What the Research Says

Pregnenolone research is still in early stages for most applications. The most notable clinical work comes from psychiatric applications: Marx et al. (2009) showed improvements in cognitive symptoms in schizophrenia patients, and Brown et al. (2014) reported antidepressant effects in bipolar disorder at higher doses. As a neurosteroid, its modulation of NMDA and GABA-A receptors is well-established in preclinical models. However, large-scale RCTs for common supplementation indications (anti-aging, cognition in healthy adults) are lacking.

References

  1. (). Proof-of-concept trial with the neurosteroid pregnenolone targeting cognitive and negative symptoms in schizophrenia. Neuropsychopharmacology. DOI
  2. (). A randomized, double-blind, placebo-controlled trial of pregnenolone for bipolar depression. Neuropsychopharmacology. DOI