For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Independent test result

GHK-Cu

by BioLongevity Labs· batch 11-3-45929

99.78 %

measured purity(HPLC)· November 12, 2025

HPLC purity
99.78
Net peptide content
53.29

How this batch compares

This batch measured 99.78%, 0.08 pts above BioLongevity Labs's average of 99.70% for this peptide over 10 batches, and 0.17 pts above the all-vendor average of 99.61% across 142 COAs from 36 vendors.

85.6% 100.0%
This batch 99.78% 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.