§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · APR-2026● VERIFIED SUBMISSION · PUBLIC RECORD

Home › Lab Tests › Reta One Labs, GHK-Cu

◆ Batch ID · GK1000426✓ Verified · Pass

GHK-Cu × Reta One Labs - Lab Test, April 2026

Tested Wednesday, April 15, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.86%

✓ Excellent

PeptideGHK-Cu

Brandretaonelabs.com

LabKovera Labs

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Test results

8 data points

Purity

99.86%

Endotoxins

PASS (≤0.5 EU/mL)

Stated qty

100 mg

Tested qty

108.35 mg

Qty match

108% of labeled · +8%

Batch ID

GK1000426

Container

Lyophilized powder / Clear cap / Silver crimp

Tested by

Kovera LabsView profile →

◆ Quantity verification

100 mg→108.35 mg+8%

About this test

This independent RP-HPLC lab test confirms GHK-Cu 100mg from Reta One Labs at 99.862% purity. The analysis was conducted by Kovera Labs on April 15, 2026.

GHK-Cu is a copper peptide complex researched for collagen synthesis, skin regeneration, and connective tissue support. A purity level of 99.862% indicates minimal impurities and pharmaceutical-grade synthesis quality. Heavy metal screening confirmed negative results for arsenic, cadmium, lead, and mercury. Endotoxin safety passed at ≤0.5 EU/mL.

The full certificate of analysis is available for download on this page.