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

Independent test result

GHK-Cu

by Skye Peptides· batch GHK25-100-002

99.95 %

measured purity(HPLC)· July 14, 2025

HPLC purity
99.955
Net peptide content
107.82

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How this batch compares

This batch measured 99.95%, 0.15 pts above Skye Peptides's average of 99.80% for this peptide over 5 batches, and 0.32 pts above the all-vendor average of 99.64% across 286 COAs from 60 vendors.

85.6% 100.0%
This batch 99.95% Vendor avg (5 batches) 99.80% Peptide avg (286 COAs) 99.64%
Compare pricing

See GHK-Cu pricing across 60 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.

Where to buy

Product pages for this peptide at Skye Peptides

From the same lot

Other tests in lot GHK25-100-002

Same batch, independently tested. Cross-confirm the purity claim.