AI summary Trust: medium Third-party lab

Janoshik tested this GHK-Cu from RetaEU Netherlands at 99.771% purity. The tested quantity was 58.18 mg. The test is recent (3-6 months old), and customers can cross-check on the lab's public verification URL. However, the test method, label quantity, and endotoxin status are not specified.

Watch out for
  • no endotoxin test
  • vague purity language
  • no quantity deviation
Test date
2026-01-07
Purity
99.77% 99.771%
Batch / lot
—
Lab
Janoshik
Quantity
label — tested 58.18 mg
Qty vs label
—
Endotoxins
—
Test score
—
Manufacturer
RetaEU Netherlands
View vendor dossier
Certificate

Test report image

Certificate scan
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
58.18mg
Catalogued
2026-04-16
Artifact hash
4535bf3027fe967f…
OCR text

Raw extracted text

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

{
  "peptide": "GHK-Cu",
  "dose": "",
  "purity_pct": 99.771,
  "purity_label": "99.771%",
  "method": "",
  "test_date": "2026-01-07",
  "client": "RetaEU.nl",
  "notes": "",
  "label_qty": "",
  "tested_qty": "58.18 mg",
  "quantity_deviation_pct": null,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 0.98
}
This COA is part of TitrateLab's community-trust corpus. See more from RetaEU Netherlands or learn how trust scores are computed on the methodology page.