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

Independent test result

GHK-Cu

by Peptide Partners· batch SPL-3798

99.71 %

measured purity· May 14, 2026

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How this batch compares

This batch measured 99.71%, 0.06 pts below Peptide Partners's average of 99.77% for this peptide over 9 batches, and 0.08 pts above the all-vendor average of 99.63% across 250 COAs from 46 vendors.

85.6% 100.0%
This batch 99.71% Vendor avg (9 batches) 99.77% Peptide avg (250 COAs) 99.63%
Compare pricing

See GHK-Cu pricing across 46 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 Peptide Partners