Certificate of analysis
Tested 2026-02-20
GHK-Cu · 50 mg
- Report
- Purity
- Purity
- 99.513%
- Labeled
- 50 mg
- Actual
- 60.88 mg+21.8%
- Lab
- Janoshik
- Tested
- 2026-02-20
Labeled content is the claim printed on the vial; actual content is what the laboratory measured. We publish both. Certificates remain online after a lot sells out, so a vial can be checked against its own batch at any time.
Search all certificates