Cognitive / neuro
P21
Preclinical (animal)P021 · CNTF-derived neurogenic peptide
Experimental neurogenic peptide derived from CNTF.
What it is
A small peptidergic compound from a fragment of ciliary neurotrophic factor, engineered for stability and brain penetration.
How it works
Enhances BDNF signaling and neurogenesis and inhibits abnormal tau hyperphosphorylation in models.
Studied for
Neurogenesis, Alzheimer's/tauopathy models, cognition.
Regulatory status
Not approved; research chemical.
Safety
No human safety data; experimental only.
Educational information only — not medical advice, and not a recommendation to use any compound. Many peptides here are not approved for human use; legal status and evidence quality vary and are noted above. This page contains no dosing information. Consult a qualified clinician before making any health decision.