The verifiable place to buy research peptides · Free shipping over $150

Certificates of Analysis · Third-party tested

GHK-Cu COA & Test Results

Lab results for every GHK-Cu batch we sell, tested by Freedom Diagnostics, an independent third-party laboratory. Each result links to the original certificate on the lab's own server.

Latest batch 1020 · reported Aug 15, 2026 4 certificates

Latest batch · 1020

Purity99.98%HPLC-UV
IdentityConfirmedLC-MS
Net content 102.09 mg100 mg vial
TestedAug 11–15, 2026received · reported
Accession 2608110165 · Freedom Diagnostics View certificate (PDF)

All GHK-Cu batches

BatchProductReportedPurityNet contentIdentityCertificate
1020GHK-Cu (100mg)Aug 15, 202699.98%102.09 mgConfirmedView PDF
1010GHK-Cu (50mg)Jun 22, 202699.75%54.28 mgConfirmedView PDF

GHK-Cu

From $29.99 · 50 mg · 100 mg

Batch-matched COA · research use only

GHK-Cu in our blends

These certificates test the finished blend. Purity is for the whole vial; net content is listed per peptide.

BatchProductReportedPurityGHK-Cu contentIdentityCertificate
1029GLOW (70mg)Sep 25, 202699.70%56.13 mgConfirmedView PDF
1019KLOW (80mg)Aug 15, 202699.91%58.31 mgConfirmedView PDF

How GHK-Cu is tested

Purity · HPLC-UV

The sample is separated by high-performance liquid chromatography and read by UV detector. Purity is the GHK-Cu peak's share of everything detected.

Identity · LC-MS

Mass spectrometry confirms the molecule in the vial has the mass expected for GHK-Cu.

Net content

The measured amount of peptide in the tested vial, reported in milligrams.

How we test and how to read a COA →

Frequently asked questions

What purity is our GHK-Cu?
The latest batch, 1020, tested at 99.98% by HPLC-UV (Freedom Diagnostics, reported August 15, 2026).
Who tests it?
Freedom Diagnostics, an independent third-party laboratory. We do not test our own products.
Can I check a certificate myself?
Yes. Every certificate opens from the lab's own server and shows the lab's accession number and lot number.
What does net content mean?
The amount of peptide the lab measured in the tested vial. Batch 1020 measured 102.09 mg.

Other COA pages

For Research Use Only. Results describe the tested samples only. Products are sold strictly for laboratory research and are not for human or animal consumption.

Results copied from the lab's certificates. Last updated September 25, 2026.