GHK-Cu · Peptide Gurus

AI summary Trust: medium Third-party lab

Janoshik tested this GHK-Cu batch from PeptideGurus at 99.8% purity. Quantity matched the label within 1% (50.29mg tested vs 50mg label). The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL. However, the report is missing details on the test method and endotoxin status.

Watch out for

no endotoxin test
vague purity language

Test date

2026-02-26

Purity

99.80% 99.800%

Batch / lot

—

Lab

Janoshik

Quantity

label 50 mg tested 50.29 mg

Qty vs label

+0.6%

Endotoxins

—

Test score

—

Manufacturer

Peptide Gurus

View vendor dossier

Peptides on this report

GHK-Cu

Certificate

Test report image

Certificate scan as published.

Source

Janoshik (public)

✓ Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact below.

Verify on upstream

Dose: 50mg
Catalogued: 2026-04-16
Artifact hash: 240a7731df5d198f…

OCR text

Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.

{
  "peptide": "GHK-Cu",
  "dose": "50mg",
  "purity_pct": 99.8,
  "purity_label": "99.800%",
  "method": "",
  "test_date": "2026-02-26",
  "client": "PeptideGurus",
  "notes": "",
  "label_qty": "50 mg",
  "tested_qty": "50.29 mg",
  "quantity_deviation_pct": 0.58,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}

This COA is part of TitrateLab's community-trust corpus. See more from Peptide Gurus or learn how trust scores are computed on the methodology page.