Copper peptide
GHK-Cu.
9 vendors · $25–69
Gly-His-Lys copper complex. Researched for skin repair and mitochondrial function.
Live vendor register · grouped by strength
Every vendor. Cheapest per mg first, kits listed separately.
GHK-CU · price per mg
9 listings · unflagged vendors first · Listings data last updated October 2026
Best price per mg: Hydro Research 100 mg at $0.45/mg.
10 mg
1 listing50 mg
6 listings01
PepsupVID-PEPSUP · €29.99 · duties on delivery · 100 mg €54.99
50 mg
99%
No COA published (mfr claim 99%+)
In stock
NL dispatch · PostNL Tracked 2–5 business days
$0.70/mg
$35
02
Direct PeptidesVID-DIRECT-P · US dispatch · single vial
50 mg
99.58%
UPLC-MS + endotoxin (Horizon Analytical, lot DPS-9372216)
In stock
UPS Ground 2–5 business days (free)
$0.98/mg
$49
03
Purple PeptidesVID-PURPLE-P · US dispatch · lot PP-1988975 content 48.5 mg/50 mg
50 mg
99.48%
UPLC-MS · endotoxin · Horizon Analytical (lot PDF)
In stock
Same-day dispatch (before 12 PM PST) · USPS 2–4 days
$0.98/mg
$49
04
Peptide ProsVID-PEPTIDE- · US dispatch · sale price
50 mg
99%
No certificate for this compound in the vendor COA library (checked 2026-10-30); purity is the listing figure
In stock
Same-day dispatch
$1.00/mg
$50
05
Core PeptidesVID-CORE-PEP · US dispatch
50 mg
99.8%
HPLC-UV/VIS purity only (no identity row) · Vanguard Laboratory, lot C73465, reported 2026-04-02, >99.80% · no mass-spec identity or endotoxin resultVanguard Laboratory · HPLC-UV/VIS · Batch C73465 · Apr 02, 2026 · Verify COA ↗
In stock
Same-day dispatch
$1.16/mg
$58
06
Vyal LabsVID-VYAL-LAB · US dispatch · 100 mg $99 · lot content 47.08 mg/50 mg
50 mg
99.94%
HPLC · MS · Accurate Test Labs (per-lot COA)
In stock
Same-day dispatch (before 2 PM EST) · 2–3 days
$1.38/mg
$69
100 mg
1 listing01
Hydro ResearchVID-HYDRO-RE · US dispatch · list $60 · lot content 110.5 mg/100 mg (GHK 90.8 mg + Cu 19.7 mg)
100 mg
99.56%
HPLC + endotoxin + heavy metals + sterility (Janoshik, lot HR-2026-3847, Jul 2026)
In stock
Same/next-business-day dispatch · FedEx 2-Day
$0.45/mg
$45
Flagged vendors · documented, never recommended
01
CostidesVID-COSTIDES · Kit of 10 · US dispatch · $230 per kit (SKU CU100) · no returns
100 mgkit of 10
99.18%
Calvert Spectrometry certificate, lab unverifiable (no street address or accreditation; domain registered 2026-09-21) · lot CUS930-GHK100 · analysed 2026-10-01, reported 2026-10-03 · defects: microbial screen "No Test" with no exception flag; peak widths and heights identical to the tirzepatide and tesamorelin certificates; PDF created 2026-10-15, after the printed report dateCalvert Spectrometry · Batch CUS930-GHK100 · Oct 03, 2026 · Verify COA ↗
In stock
Same-day dispatch (paid before 2 PM ET) · standard 2–5 business days
$0.23/mg
$23$230 per kit
Same research area
Similar compounds.
Long-form research guide
Longevity and Anti-aging Research. Mechanism + protocols + safety.
Telomere biology, epigenetic regulation, and extracellular matrix remodelling
Open the long-form guide for GHK-Cu →