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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
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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.

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