GHK-Cu 99.8% Purity — RetaEU NetherlandsCertificate of Analysis · Independent third-party lab result
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.
- no endotoxin test
- vague purity language
- no quantity deviation
- Test date
- 2026-01-07
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 58.18 mg
- Endotoxins
- —
- Assay method
- —
- Label dose
- 58.18mg
How this result compares
This GHK-Cu certificate's tested purity of 99.77% ranks higher than 40% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-01-07 by Janoshik. This test is newer than 31% of our catalogued GHK-Cu certificates.
RetaEU Netherlands has 4 certificates in our corpus, including 1 for GHK-Cu at a median tested purity of 99.77%.
Test report image
Janoshik (public)
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labOCR 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
}