Cognitive · Peptide

P21

CNTF-derived peptide. Neurogenesis in hippocampus, memory enhancement. Research-stage but compelling Alzheimer model data.

Research PubMed ↗

At a glance

CategoryCognitive
Common dose200-500 mcg
FrequencyDaily
FormTypically reconstituted & injected (subcutaneous)
Ranges shown are commonly referenced values for educational purposes and are not a recommendation or medical advice. Always consult a qualified healthcare provider before starting any compound.

Track P21 with StackMindr

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Log every dose

Schedule P21 on its own frequency and mark each dose done from the lock screen.

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Reconstitution math

Enter your vial size and BAC water and get the exact units to draw — no guesswork.

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Track your results

Log weight, measurements, and progress photos to see whether it's working.

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Never run out

Inventory counts down with every dose and warns you before a vial runs dry.

Track P21, free.

Doses, reminders, reconstitution math, and results — one app, iOS & Android.

P21 FAQ

What is a common P21 dose?

Commonly referenced protocols use 200-500 mcg, daily. This is educational reference only — dosing should be set with a qualified healthcare provider.

How do you reconstitute P21?

P21 is supplied as a lyophilized powder and mixed with bacteriostatic water before subcutaneous injection. StackMindr's free reconstitution calculator gives you the exact units to draw for your vial size and target dose.

Can I track P21 in StackMindr?

Yes. P21 is in StackMindr's built-in glossary of 130+ compounds. Add it to your schedule, set reminders, calculate your dose, and track your results — free on iOS and Android.