Compound Library

Peptide / Neuroprotection

FGL (Fibroblast Growth Factor Loop)

NCAM-derived peptide mimicking fibroblast growth factor receptor activation. Promotes neuronal survival, synaptic plasticity, and BDNF expression. Neuroprotective and cognitive-enhancing. Used for neurodegeneration, TBI recovery, and cognitive optimization.

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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 dose50–100mcg intranasal or SubQ daily.
Half-life1 hours
Risk flaglow
Regulatory noteResearch-only flag

Side effects and watch-outs

  • Very well tolerated
  • Mild headache
  • Intranasal irritation if used nasally