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

Independent test result

GHK-Cu/BPC-157/Thymosin Beta-4

by Ion Peptide· batch GW-1125

99.66 %

measured purity· November 25, 2025

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

How this batch compares

This batch measured 99.66%, right at Ion Peptide's average of 99.67% for this peptide over 16 batches, and right at the all-vendor average of 99.70% across 20 COAs from 4 vendors.

98.9% 100.0%
This batch 99.66% Vendor avg (16 batches) 99.67% Peptide avg (20 COAs) 99.70%
Compare pricing

See GHK-Cu/BPC-157/Thymosin Beta-4 pricing across 4 verified vendors

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