HomeLab Tests Good Science, GHK-Cu
Purity · passBatch · 3548597Shop-provided sample

GHK-Cu × Good Science — Lab Test, May 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
99.5%
Excellent purity only
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Independent verification available

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Test results

7 data points
Purity
99.5%
Endotoxins
Pass - <5.00 EU/mg
Heavy metals
Not tested
Stated qty
80 mg
Tested qty
81.05 mg
Qty match
101% of labeled · +1%
0label125%
Batch / Lot
3548597
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

Independent HPLC purity analysis of GHK-Cu/BPC-157/TB-500/KPV from goodsciencebio.com, performed by Vanguard Laboratory on May 27, 2026. Reported purity: 99.5%. Net content: 81.05 mg against 80 mg labeled (101% of label). Endotoxins: Pass - <5.00 EU/mg. Batch 3548597. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for GHK-Cu/BPC-157/TB-500/KPV blend from Good Science showing 99.50% purity
Issued by Vanguard Laboratory · May 27, 2026 · Batch 3548597

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The 697 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.50%.

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