PepVault
/ database / Nootropic Peptide

P21

Also: ACTH 4-9 analog

Synthetic ACTH-related peptide for cognition and neuroprotection.

Evidence
anecdotal
Legal status
research only
Half-life
Short
Routes
subq
US-sourcedHPLC testedLot-traceableView this lot's COA →
View on Limitless LifeAdd to compare
What it is

P21 is a synthetic peptide derived from a neurotrophic factor; it has been studied in models of Alzheimer's disease for its ability to promote adult neurogenesis.

Mechanism

ACTH-derived analog with neurogenic and cognitive-enhancing effects.

Outcomes it's matched to
Safety

Limited data.

Legal context

Research use only.

1:1 GUIDANCE

Have questions about this peptide?

Get free 1:1 guidance from a peptide professional before you start. They'll help you think through dosing, stacking, and whether this fits your goals.

REQUEST A CALL →