Independent · Reader-funded · FTC-compliant affiliate disclosureVol. II · No. 17 April 23, 2026
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cognitive

P-21

CNTF-mimetic cognitive peptide

Cheapest offer
$9.92/mg
3 vendors tracked3 live pricesLast crawl: 2026-04-27 01:38 UTC
About

An 11-mer fragment derived from ciliary neurotrophic factor (CNTF), studied for neurogenesis and cognitive enhancement in preclinical models.

Also known as: P21, CNTF-mimetic

P-21 · 5mg

1 vendors
VendorGradeRiskPrice$/mgStock
Core Peptides
US
AOperational
$116.00
◎ Best $/mg
$23.20In stockBuy with code →
Sorted by $/mg ascendingLast crawl 2026-04-22 · Demo data

P-21 · 10mg

1 vendors
VendorGradeRiskPrice$/mgStock
Nexus Peptides
US
BOperational
$139.99
◎ Best $/mg
$14.00In stockBuy with code →
Sorted by $/mg ascendingLast crawl 2026-04-22 · Demo data

P-21 · 12mg

1 vendors
VendorGradeRiskPrice$/mgStock
Atomik Labz
US
B-Operational
$119.00
◎ Best $/mg
$9.92In stockBuy with code →
Sorted by $/mg ascendingLast crawl 2026-04-22 · Demo data
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