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Purity · passBatch · 11252025GKShop-provided sample

GHK-Cu × Prime Peptides — Lab Test, January 2026

Tested · submitted by @Frank 👑 Legend
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
99.64%
Excellent purity only
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Test results

6 data points
Purity
99.64%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
100 mg
Tested qty
117.17 mg
Qty match
117% of labeled · +17%
0label125%
Batch / Lot
11252025GK
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

Independent HPLC purity analysis of GHK-Cu from Prime Peptides, performed by Janoshik Labs on January 23, 2026. Reported purity: 99.64%. Net content: 117.17 mg against 100 mg labeled (117% of label). Tested content exceeds the labeled amount by 17%. Batch 11252025GK. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for GHK-Cu 100mg from Prime Peptides showing 99.640% purity
Issued by Janoshik Labs · Jan 23, 2026 · Batch 11252025GK

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The 669 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.64%.

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