P21 Guide & Dosage Chart

A CNTF-derived peptide studied for neurogenesis.

Also known asP021

Routesubcutaneous

P21 — Dosage chart

Every row cited

Goal	Dose	Frequency	Duration	Evidence	Source
Cited dosing data is being compiled for this compound.

For research and educational use only. Not medical advice.

P21 FAQ

How do you reconstitute P21?

Mix the lyophilized P21 with bacteriostatic water, then use the concentration to find your draw volume. The calculator on this page does the math for you.

Is P21 dosing backed by research?

Yes — every dose on this chart maps to a peer-reviewed source. Figures we cannot anchor to a study are left out. P21 is a research compound for laboratory use only.