BrainLongevitySubcutaneous

P21

P021

Typical Dose

0.1–0.5 mg

Frequency

Daily

Half-Life

~2-4 hours

Research-use dosing; specific study population not established.

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.

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