✓ Purity · pass✓ Lab-verifiedSupplier-provided sample

GHK-Cu × Peptuvia — supplier's lab test, September 2026

Sample label: PGB
Lotlook this batch up across every shop →Check another lot
Tested · submitted by @Peptuvia 🏆 Elite
Sample source: supplier-provided. Peptuvia's supplier had this batch tested before it reached Peptuvia, and Peptuvia passed the certificate on. No vial bought from Peptuvia was tested. If the lot on your vial reads PSGHKCU50-1, this is your batch's certificate. Supplier certificates are listed for information and don't count toward the Trust Score.How we weigh evidence →
HPLC Purity
99.228%
✓ Excellent purity only
PeptideGHK-Cu
Sold byPeptuvia
See Peptuvia reviews & all 22 lab tests
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 227158 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

The portal confirms the certificate. It can't show that a vial you buy from Peptuvia is from this batch — compare the lot on yours.

Lookup codeY8CCMX7UWRCV

Test results

6 data points
Purity
99.228%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
50 mg
Tested qty
52.2 mg
Qty match
104% of labeled · +4%
Batch / Lot
PSGHKCU50-1
COA number
227158
Tested by
Janoshik LabsView profile →

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

What’s in the vial

Label 50 mg · Lab measured 52.2 mg

104% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 13.1 mg using the measured mass, against 12.5 mg on the label — 4% more.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Verification trail
Report number227158
Portal lookup✓ Lab-verified
PDF vs portalJanoshik Labs's portal shows validity only
WeightListed for information — supplier-provided, not counted

HPLC purity analysis of GHK-Cu 50mg sold by Peptuvia, ordered by its supplier and performed by Janoshik Labs on September 7, 2026. Reported purity: 99.228%. Net content: 52.2 mg against 50 mg labeled (104% of label). Batch PSGHKCU50-1. Sample source: supplier-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Janoshik Labs · Sep 07, 2026 · Batch PSGHKCU50-1

Other lots of GHK-Cu from Peptuvia

LotTestedLabPurityvs labelStatus
TRCU202607106 Aug 2026Janoshik Labs99.562%106%✓ Lab-verified

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

8 tests

The 825 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.23%.

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