Independent test result
GHK-Cu
by BioLongevity Labs· batch 11-3-45929
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Purity not on file· tested November 19, 2025
How this batch compares
This batch has no measured purity on file. Across 10 tested batches of GHK-Cu from BioLongevity Labs, measured purity averages 99.70%. Across all vendors, GHK-Cu averages 99.61% over 142 COAs.
85.6% 100.0%
Vendor avg (10 batches) 99.70% Peptide avg (142 COAs) 99.61%
Where to buy
Product pages for this peptide at BioLongevity Labs
From the same lot
Other tests in lot 11-3-45929
Same batch, independently tested. Cross-confirm the purity claim.