GHK-Cu — Vendor Comparison

Copper peptide GHK-Cu is a naturally occurring tripeptide involved in wound healing, collagen synthesis, and anti-aging processes.

Rankings based on our Vendor Transparency Score — COA publishing, lab accreditation, batch traceability, and published policies.See our methodology →
We earn commissions from some vendors below. This doesn't affect our rankings — they're determined by Vendor Transparency Scores alone.Full disclosure →

How We Score Transparency

Public COA AccessCore evidenceCertificates of Analysis visible on site with batch-specific results
Batch TraceabilityCore evidenceCOA batch numbers match product labels and packaging
Named Testing LabCore evidenceTesting lab is named and independently verifiable
Policy PagesSupporting trustDedicated refund and/or shipping policy pages
Identifiable OwnershipSupporting trustNamed founders, registered business, or physical address
Methodology v2.0 · Last updated Mar 14, 2026Full methodology →
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13 vendors
VP
Verified PeptidesIn Stock
A
Published
COAs
2020
Est.
$44.50
$0.45/mg
IP
Ion PeptidesIn Stock
A
Published
COAs
2025
Est.
$45.00
$0.45/mg
SP
Simple PeptidesIn Stock
A
Published
COAs
2023
Est.
$55.00
$0.55/mg
SP
Skye PeptidesIn Stock
A
Published
COAs
2023
Est.
$69.00
$0.69/mg
NP
NuScience PeptidesIn Stock
A
Published
COAs
2003
Est.
$79.99
$0.80/mg
AOP
Alpha Omega PeptidesIn Stock
B
Published
COAs
2024
Est.
$55.00
$0.55/mg
LB
Limitless BiotechIn Stock
B
Published
COAs
2015
Est.
$78.99
$0.79/mg
EP
Eternal PeptidesIn Stock
B
Published
COAs
2024
Est.
$79.99
$0.80/mg
PPC
Precision Peptide CoIn Stock
C
Published
COAs
2023
Est.
$29.99
$0.30/mg
PP
Planet PeptideIn Stock
C
None
COAs
2021
Est.
$50.00
$0.50/mg
AL
Atomik LabzIn Stock
C
Published
COAs
2024
Est.
$55.00
$0.55/mg
PP
Penguin PeptidesIn Stock
C
Published
COAs
2025
Est.
$74.00
$0.74/mg
P
PureRawzIn Stock
C
Published
COAs
2017
Est.
$159.26
$1.59/mg