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

Independent test result

Retatrutide

by Simple Peptide· batch GR12-01062026-J

99.48 %

measured purity(HPLC)· January 7, 2026

HPLC purity
99.477
Net peptide content
13.77

How this batch compares

This batch measured 99.48%, 0.35 pts below Simple Peptide's average of 99.82% for this peptide over 19 batches, and 0.24 pts below the all-vendor average of 99.72% across 194 COAs from 37 vendors.

98.4% 100.0%
This batch 99.48% Vendor avg (19 batches) 99.82% Peptide avg (194 COAs) 99.72%
Where to buy

Product pages for this peptide at Simple Peptide