GHK-Cu
GHK-Cu is a naturally occurring copper-binding peptide tripeptide found in human plasma. Research has focused on its potential roles in skin regeneration, anti-inflammatory activity, and gene expression modulation.
Also known as: Copper Peptide, Glycyl-L-Histidyl-L-Lysine Cu
Technical information
Molecular weight
340.84 g/mol
Half-life
~1-4 hours
Sequence
Gly-His-Lys (copper complex)
Common research doses
1-3 mg/day (research protocols)
Research areas
For research purposes only. PepAssure provides vendor information as a verification service and does not endorse or recommend any specific use. Consult qualified research protocols and institutional review boards.
Best Verified Vendors for GHK-Cu
Ranked by PVS score — independent verification, no paid placements.
Canada · 99.3% reported purity · 114+ CoAs
USA · 99.2% reported purity · 134+ CoAs
EU · 99.1% reported purity · 67+ CoAs
UK · 99.0% reported purity · 140+ CoAs
USA · — reported purity · 25+ CoAs
USA · — reported purity · 26+ CoAs
Competitive landscape
Multi-signal comparison of every verified vendor selling GHK-Cu — PVS, purity, CoA cadence, sentiment, and 30-day momentum.
Market overview
Aggregate signals across vendors selling GHK-Cu
Side-by-side comparison
All verified vendors selling GHK-Cu. Click a column header to sort. ★ marks the leader on that column.
| Vendor | PVS | Purity | CoAs | Sentiment | 30d Δ | Lab | Price |
|---|---|---|---|---|---|---|---|
| 1Amino Asylum | ★91 | — | ★0 | ★93 | — | Janoshik | $ |
| 2Core Peptides | 87 | — | ★0 | 88 | — | Janoshik | $$$ |
| 3Pure Peptides USA | 81 | — | ★0 | 80 | — | Janoshik | $$ |
| 4Direct Peptides | 79 | — | ★0 | 80 | — | Janoshik | $$ |
| 5Alder Bio Labs USA Made | 0 | — | ★0 | 0 | — | Janoshik | $$$ |
| 6Peptiva Research Labs | 0 | — | ★0 | 0 | — | Janoshik | $$$ |
Pillar leaders
Top-scoring vendor on each of the five PVS pillars
Recent purity track record
Approved community CoAs for GHK-Cu, newest first