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Purity · passBatch · GHK03Shop-provided sample

GHK-Cu × Growth Guys — Lab Test, August 2025

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
99.972%
Excellent purity only
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Test results

6 data points
Purity
99.972%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
51.6 mg
Tested qty
52.4 mg
Qty match
102% of labeled · +2%
0label125%
Batch / Lot
GHK03
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 growthguys.is, performed by Janoshik Labs on August 7, 2025. Reported purity: 99.972%. Net content: 52.4 mg against 51.6 mg labeled (102% of label). Batch GHK03. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for GHK-Cu 51.60mg from Growth Guys showing 99.972% purity
Issued by Janoshik Labs · Aug 07, 2025 · Batch GHK03

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The 669 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.97%.

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