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NSI-189

Also known as: NSI-189 Phosphate

ExperimentalCognitive EnhancementProvider Rx Required

How It Works

Benzylpiperazine-aminopyridine compound that stimulates neurogenesis in the hippocampus. Increases hippocampal volume and enhances synaptic plasticity, potentially reversing depression-related brain atrophy.

What It's Used For

DepressionCognitive enhancementHippocampal neurogenesisPTSDTraumatic brain injury

Administration

Route: Oral
Typical Cycle: 12 weeks per course

Safety & Side Effects

Possible Side Effects

  • Headache
  • Insomnia
  • Mild GI discomfort
  • Vivid dreams

Contraindications

  • Bipolar disorder
  • Seizure disorders
  • Pregnancy
  • Concurrent MAOI use

Research Summary

Novel neurogenic compound showing hippocampal volume increases in Phase 2 depression trials. Unique mechanism distinct from traditional antidepressants. Mixed efficacy results but strong biomarker data.

References

  • Fava M et al. Mol Psychiatry. 2016
  • McIntyre RS et al. J Clin Psychopharmacol. 2020

Legal & Availability

Investigational / Research chemical

This peptide requires a prescription from a licensed provider.

Dosing Protocol

Standard: 40mg per dose

Frequency: Once daily

Timing: Morning with food

Notes: Phase 2 trials used 40mg and 80mg doses

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Unlock Full Dosing Protocol

Specific dosing, frequency, timing, cycling schedules, and stacking guidance are available with a BioRoot AI Pro subscription.

Stacks Well With

Full stacking protocols and cycling schedules available with Pro subscription.

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This information is for educational purposes only and is not medical advice. Do not use any peptide without consulting a qualified healthcare provider. BioRoot AI is a clinical decision support tool — not a medical provider.