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

Independent test result

Retatrutide

by Simple Peptide· batch GR12-032026-4

99.89 %

measured purity(HPLC)· January 3, 2026

HPLC purity
99.89
Net peptide content
13.94

How this batch compares

This batch measured 99.89%, 0.07 pts above Simple Peptide's average of 99.82% for this peptide over 19 batches, and 0.17 pts above the all-vendor average of 99.72% across 194 COAs from 37 vendors.

98.4% 100.0%
This batch 99.89% Vendor avg (19 batches) 99.82% Peptide avg (194 COAs) 99.72%
Where to buy

Product pages for this peptide at Simple Peptide