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Cheapest · 12mg
$119.00
$9.92/mg at Atomik Labz
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peptide19 sources in stock

P21

CNTF Mimetic

CNTF mimetic peptide. Neurogenesis research.

Neurogenesis research

For research use only · Not for human consumption

/ compare by size

Every source for P21

Affiliate disclosure: purchases through links below may earn us a commission. Rankings are never sold — methodology · full disclosure

Size:
18 sources for 1mg·cheapest $78.81 at Throne·$78.81/mg
#1
Throne
4.7· price unverified
$92.79
$78.81
$78.81/mg
Buy at Throne →
#2
Good Labs
4.7· price unverified
$80.32
$80.32/mg
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#3
AlgoRX
4.7· price unverified
$84.47
$84.47/mg
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#4
One Day Compounds
4.6· price unverified
$84.89
$84.89/mg
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#5
FITSKNS
4.6· price unverified
$108.03
$108.03/mg
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#6
EZ Peptides
4.7· price unverified
$109.58
$109.58/mg
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#7
Ion Peptide
4.6· price unverified
$117.25
$117.25/mg
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#8
LA Peptides
4.6· price unverified
$164.28
$122.23
$122.23/mg
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#9
RefillPen
4.5· price unverified
$129.32
$129.32/mg
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#10
Peptidology
4.8· price unverified
$132.70
$132.70/mg
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#11
Flawless Compounds
4.7· price unverified
$133.48
$133.48/mg
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#12
Nano Blue Labs
4.6· price unverified
$174.15
$134.21
$134.21/mg
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#13
Felix Chemical Supply
4.5· price unverified
$161.04
$134.52
$134.52/mg
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#14
Modified Aminos
4.5· price unverified
$139.14
$139.14/mg
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#15
Peppy
4.7· price unverified
$171.10
$140.39
$140.39/mg
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#16
Molecular Solutions
4.7· price unverified
$141.94
$141.94/mg
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#17
Solyn Peptides
4.5· price unverified
$143.34
$143.34/mg
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#18
Renova Peptides
4.6· price unverified
$193.03
$150.33
$150.33/mg
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#19
RetaOneLabs
4.7· price unverified
$100.92
$100.92/mg
Out of stock
#20
Biocase Innovations
4.6· price unverified
$109.23
$109.23/mg
Out of stock
#21
Lab Sourced
4.7· price unverified
$119.90
$119.90/mg
Out of stock
#22
Solution Peptides
4.6· price unverified
$132.46
$132.46/mg
Out of stock
#23
Valor Peptides
4.8· price unverified
$140.68
$140.68/mg
Out of stock
#24
Purus Peptides
4.7· price unverified
$146.61
$146.61/mg
Out of stock
🏆Our pick for P21
Atomik Labz
12mg · USA · Card / Crypto
  • Third-party tested (Third-party)
  • COAs provided — Per-batch
  • Best $/mg in stock right now
  • 4.7★ community rating
$119.00
$9.92/mg
Buy at Atomik Labz
Affiliate link · disclosure
Also solid
Peptidology
1mg · $132.70/mg
$132.70
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Throne
1mg · $78.81/mg
$78.81
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Good Labs
1mg · $80.32/mg
$80.32
Buy →
/ research index

The research base

Research Maturity
★★☆☆☆
2/5 — Volume of studies
Evidence Strength
★★★☆☆
3/5 — Quality of evidence

Animal research on neurogenesis.

/ mechanism of action

How it works

Promotes neurogenesis via CNTF pathway.

/ research dosing

Common research protocols

Range
10-30 mcg/day
Frequency
Once daily
Route
Intranasal
Cycle
4-8 weeks
Research notes

CNTFR agonist for neurogenesis research. Intranasal administration for CNS targeting.

FOR RESEARCH USE ONLY. Doses listed are compiled from published research literature, FDA-approved drug labels, and well-documented research community practice. Not medical advice.
/ standalone use

As a solo compound

Solo use is standard.

/ side effects

What to know

Limited human data.

/ timeline

Realistic expectations

Variable

FOR RESEARCH USE ONLY. P21 is intended for laboratory research and not for human consumption.