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

Independent test result

Retatrutide

by Simple Peptide· batch GR12-12082025-H

99.95 %

measured purity(HPLC)· December 9, 2025

HPLC purity
99.949
Net peptide content
15.59

How this batch compares

This batch measured 99.95%, 0.13 pts above Simple Peptide's average of 99.82% for this peptide over 19 batches, and 0.23 pts above the all-vendor average of 99.72% across 194 COAs from 37 vendors.

98.4% 100.0%
This batch 99.95% Vendor avg (19 batches) 99.82% Peptide avg (194 COAs) 99.72%
Where to buy

Product pages for this peptide at Simple Peptide