P21 Overview
Mechanism of Action
P21 (P021) is a neurotrophic peptide that promotes neurogenesis by inhibiting leukemia inhibitory factor (LIF) signaling, increasing BDNF levels and supporting new neuron formation.
Half-Life
~2-4 hours
Timing
Morning
Common Stacks
- Semax
- Selank
- Pinealon
- DSIP
P21 Dosing Protocol
Standard
100-500 mcg/day
P21 Expected Timeline
No timeline data available.
P21 Side Effects
Mild injection site irritation
Headache (rare)
P21 Research Studies
No studies referenced.
P21 FAQ
What is P21?
A neurotrophic peptide studied for promoting neurogenesis and cognitive enhancement.