Peptides & Research Chemicals
PE 22-28
Street names: Laminin receptor peptide
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Marketed as a fast-acting antidepressant peptide (animal data)
- 'Kicks in within minutes' community claims
⚠Key risks
- No human trials
- Antidepressant-adjacent claims with zero dosing science
- Standard research-chemical risks
✚Overdose signs
- Unknown in humans
- Injection-site infection
📋Quick facts
Also known asLaminin receptor peptide
CategoryPeptides & Research Chemicals
Schedule / class'Research chemical' — no human approval
AppearanceLyophilized microgram vials
Street price~$25–$60 per vial grey-market
Legal status'Research use only'
Last updated2026-09-16
Sources: PubMed
Category comparison — Peptides & Research Chemicals
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| PE 22-28 | 'Research chemical' — no human approval | No human trials; Antidepressant-adjacent claims with zero dosing science | ~$25–$60 per vial grey-market |
| Russian Peptide Bioregulators | Mostly unscheduled; Selank/Semax are Rx nasal sprays in Russia/Ukraine | Soviet-era data quality is low — Western replication mostly absent; Grey-market versions far from pharmacy-grade | ~$15–$50 per vial/spray grey-market |
| DIHEXA | 'Research chemical' — no human approval | c-Met activation is also a tumor-growth pathway — the theoretical cancer concern is serious; Essentially zero human data | ~$40–$100 per vial grey-market |
Street prices are regional estimates. Potency and cuts vary constantly.
RxBrand names on the grey market
These brands are sold as this compound. Same molecule, different label and supply chain — quality varies enormously between them.
PE 22-28
?Frequently asked questions
What does PE 22-28 look like?
Lyophilized microgram vials
What are the signs of a PE 22-28 overdose?
Unknown in humans; Injection-site infection Call emergency services immediately.
How addictive is it?
No human trials Dependence can develop with regular use.
🔗Sources & further reading
Facts on this page are compiled from these primary sources. External links open in a new tab.