HomeLab Tests core peptides, GHK-Cu
Purity · passShop-provided sample

GHK-Cu × core peptides — lab test, December 2025

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Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.8%
Excellent purity only
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Independent verification available

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Test results

6 data points
Purity
99.8%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
50 mg
Tested qty
63.94 mg
Qty match
128% of labeled · +28%
Batch / Lot
C73465
Tested by
Vanguard LaboratoryView 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 63.94 mg

128% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 16 mg using the measured mass, against 12.5 mg on the label — 28% 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.

Independent HPLC purity analysis of GHK-Cu from core peptides, performed by Vanguard Laboratory on December 9, 2025. Reported purity: 99.8%. Net content: 63.94 mg against 50 mg labeled (128% of label). Tested content exceeds the labeled amount by 28%. Batch C73465. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Vanguard Laboratory · Dec 09, 2025 · Batch C73465

Other lots of GHK-Cu from core peptides

LotTestedLabPurityvs labelStatus
C7413115 Jul 2026Vanguard Laboratory99.8%100%Unverified
C7420128 Apr 2026Vanguard Laboratory99.79%100%✓ 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 811 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.80%.

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