GHK-Cu 99.8% Purity — Uther PeptideCertificate of Analysis · Independent third-party lab result
Janoshik tested this GHK-Cu from utherpeptide.com at 99.835% purity. The tested quantity of 61.87mg significantly exceeded the 50mg label, a deviation of over 23%. Endotoxin status is unknown. The test is recent (under 3 months) and customers can cross-check on Janoshik's public verification URL.
- high quantity deviation
- no endotoxin test
- Test date
- 2026-03-27
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 61.87 mg
- Endotoxins
- —
- Assay method
- —
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.83% ranks higher than 53% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-03-27 by Janoshik. This test is newer than 59% of our catalogued GHK-Cu certificates.
Uther Peptide has 524 certificates in our corpus, including 31 for GHK-Cu at a median tested purity of 99.77%.
Janoshik (public)
URL referencedThis entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.
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": "50mg",
"purity_pct": 99.835,
"purity_label": "99.835%",
"method": "",
"test_date": "2026-03-27",
"client": "utherpeptide.com",
"notes": "",
"label_qty": "50mg",
"tested_qty": "61.87 mg",
"quantity_deviation_pct": 23.74,
"is_blend": false,
"components_json": "",
"ocr_confidence": 0.98
}