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

Independent test result

AHK-Cu

by Ruo Bio· batch RUOABV5Y94CK

99.45 %

measured purity· December 18, 2025

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

How this batch compares

This batch measured 99.45%, 0.19 pts below the all-vendor average of 99.63% across 20 COAs from 8 vendors.

98.9% 100.0%
This batch 99.45% Peptide avg (20 COAs) 99.63%
Compare pricing

See AHK-Cu pricing across 8 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