Peptides & Research Chemicals
DIHEXA
Street names: N-hexanoic-Tyr-Ile-(6) aminohexanoic amide, PGL-500
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Potent HGF/c-Met-pathway activator in animal studies — 'brain repair' nootropic claims
- Marketed for cognition and neuroprotection
⚠Key risks
- c-Met activation is also a tumor-growth pathway — the theoretical cancer concern is serious
- Essentially zero human data
- Microgram-to-milligram dosing confusion = real overdose risk
✚Overdose signs
- Unknown — treat any reaction seriously
- Severe headache, nausea
📋Quick facts
Also known asN-hexanoic-Tyr-Ile-(6) aminohexanoic amide, PGL-500
CategoryPeptides & Research Chemicals
Schedule / class'Research chemical' — no human approval
AppearanceLyophilized or capped powder, milligram-dosed
Street price~$40–$100 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 |
|---|---|---|---|
| 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 |
| PE 22-28 | 'Research chemical' — no human approval | No human trials; Antidepressant-adjacent claims with zero dosing science | ~$25–$60 per vial grey-market |
| GHK-Cu (Copper Peptide) | Cosmetic ingredient | Injectable copper peptide: zero human safety data; Blue discoloration at injection sites (cosmetic) | ~$20–$60 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.
DIHEXA
?Frequently asked questions
What does DIHEXA look like?
Lyophilized or capped powder, milligram-dosed
What are the signs of a DIHEXA overdose?
Unknown — treat any reaction seriously; Severe headache, nausea Call emergency services immediately.
How addictive is it?
c-Met activation is also a tumor-growth pathway — the theoretical cancer concern is serious 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.