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

Independent test result

GHK-Cu

by Amino Club· batch GHK0001

99.62 %

measured purity(HPLC)· April 5, 2026

HPLC purity
99.621
Net peptide content
52.18

New to reading a COA? See how to read a peptide COA →

How this batch compares

This batch measured 99.62%, 0.06 pts below Amino Club's average of 99.68% for this peptide over 4 batches, and right at the all-vendor average of 99.64% across 286 COAs from 60 vendors.

85.6% 100.0%
This batch 99.62% Vendor avg (4 batches) 99.68% 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.

Keep exploring

See more evidence