AI summary Trust: medium Third-party lab

Janoshik tested this GHK-Cu at 99.967% purity via HPLC. Quantity matched the label within 2%, but the test is stale (over a year old) and lacks endotoxin information. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (1+ years old)
  • unknown batch ID
Test date
2025-01-14
Purity
99.97% 99.967%; 99.921%; 99.948%.
Batch / lot
—
Lab
Janoshik
Quantity
label 50mg tested 50.54mg
Qty vs label
+1.1%
Endotoxins
—
Test score
—
Manufacturer
GYC
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
Method
HPLC
Dose
50mg
Catalogued
2026-04-22
Artifact hash
2a20645fa15ee2ea…
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": 99.967, "purity_label": "99.967%; 99.921%; 99.948%.", "method": "HPLC", "test_date": "2025-01-14", "client": "G", "notes": "", "label_qty": "50mg", "tested_qty": "50.54mg", "quantity_deviation_pct": 1.08, "is_blend": false, "components_json": "", "ocr_confidence": 0.92}
This COA is part of TitrateLab's community-trust corpus. See more from GYC or learn how trust scores are computed on the methodology page.