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

Independent test result

PE-22-28

by Peptidology· batch 1666

99.69 %

measured purity· November 18, 2025

How this batch compares

This batch measured 99.69%, 0.22 pts above the all-vendor average of 99.47% across 9 COAs from 6 vendors.

98.9% 99.8%
This batch 99.69% Peptide avg (9 COAs) 99.47%
Where to buy

Product pages for this peptide at Peptidology