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

Independent test result

Retatrutide

by Simple Peptide· batch GR48-12222025-3

99.81 %

measured purity(HPLC)· December 23, 2025

HPLC purity
99.815
Net peptide content
53.37

How this batch compares

This batch measured 99.81%, right at Simple Peptide's average of 99.80% for this peptide over 22 batches, and 0.12 pts above the all-vendor average of 99.70% across 356 COAs from 46 vendors.

97.9% 100.0%
This batch 99.81% Vendor avg (22 batches) 99.80% Peptide avg (356 COAs) 99.70%
Where to buy

Product pages for this peptide at Simple Peptide