HomeLab Tests Rescue Research USA, GHK-Cu
Purity · passBatch · Purple CapShop-provided sample

GHK-Cu × Rescue Research USA — Lab Test, April 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
99.958%
Excellent purity only
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Test results

7 data points
Purity
99.958%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
80 mg
Tested qty
91.19 mg
Qty match
114% of labeled · +14%
0label125%
Batch / Lot
Purple Cap
Container
Blue Lyophilized Powder
Tested by

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/KPV/TB-500/BPC-157 from Rescue Research USA Peptides, performed by freedomdiagnosticstesting.com on April 9, 2026. Reported purity: 99.958%. Net content: 91.19 mg against 80 mg labeled (114% of label). Tested content exceeds the labeled amount by 14%. Batch Purple Cap. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for GHK-Cu/KPV/TB-500/BPC-157 80mg blend from Rescue Research USA showing 99.958% purity
Issued by freedomdiagnosticstesting.com · Apr 09, 2026 · Batch Purple Cap

Related lab tests

8 tests

The 669 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.96%.

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