Finnrick - Ensuring a Safer and More Transparent Supply Chain
Yimei

Yimei

GHK-Cu

Finnrick tested 13 samples of GHK-Cu from Yimei between 25 Nov 2025 and 4 Mar 2026. Test scores average over 6, no score below 5, and at least 6 tests warrant a confident Finnrick Rating of B (Good).

Finnrick Rating™
Yimei
GHK-Cu
Tested 13 Samples
Last test 4 Mar 2026

Take Action

Researcher

Request Full Data Access to the Finnrick database of peptide tests.

Free peptide testing

Mail in a sample (US only) to get confidence for the specific vials you have, and contribute to identifying unsafe supply chains, so other people can avoid risky and costly mistakes.

Other GHK-Cu tests from top-rated vendors:

All GHK-Cu tests from Yimei

Samples are tested in commercial labs

Tests Count

13

Scores

AVG6.8MIN5.0MAX8.0

Last

4 Mar 2026

First

25 Nov 2025
Quantity
Test DateCertificate
Test Score
LabelTestedDifferencePurityEndotoxinsBatch IDContainerTested AtSent By
4 Mar 2026View5.050mg58mg+16.0%99.70%n/a(no batch ID)No Label / Silver Crimp / Clear CapLab GPublic
2 Mar 2026View6.150mg44.2mg-11.6%99.90%
below LOQ
(no batch ID)No Label / Silver Crimp / Clear CapLab EPublic
26 Feb 2026View5.5100mg83.7mg-16.3%99.90%n/a(no batch ID)(no data)Lab EPublic
26 Feb 2026View7.550mg46.8mg-6.4%99.90%n/a(no batch ID)No Label / Silver Crimp / Clear CapLab EPublic
26 Feb 2026View6.9100mg91.6mg-8.4%99.90%n/a(no batch ID)No Label / Copper Crimp / Clear CapLab EPublic
22 Feb 2026View6.550mg45mg-10.0%99.90%n/a(no batch ID)No Label / Silver Crimp / Clear CapLab EPublic
22 Feb 2026View8.050mg47.6mg-4.8%99.90%n/a(no batch ID)No Label / Silver Crimp / Clear CapLab EPublic
22 Feb 2026View8.050mg43.8mg-12.4%99.90%n/aXA5No Label / Silver Crimp / Clear CapLab EPublic
20 Feb 2026View7.0100mg79.8mg-20.2%99.90%n/aCU100No Label / Copper Crimp / Clear CapLab EPublic
13 Feb 2026View6.950mg45.7mg-8.6%99.90%
below LOQ
(no batch ID)No Label / Silver Crimp / Clear CapLab EPublic
4 Feb 2026View5.650mg42.5mg-15.0%99.90%
low
(no batch ID)No Label / Silver Crimp / Clear CapLab EPublic
17 Dec 2025View7.550mg46.8mg-6.4%99.95%n/a(no batch ID)No Label / Silver Crimp / Clear CapLab EPublic
25 Nov 2025View8.050mg49.7mg-0.6%99.94%n/a(no batch ID)No Label / Silver Crimp / Clear Cap Lab EPublic