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Independent test result

Retatrutide

by Simple Peptide· batch RETA2401052026-R

99.95 %

measured purity(HPLC)· January 6, 2026

HPLC purity
99.954
Net peptide content
26.98

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How this batch compares

This batch measured 99.95%, 0.15 pts above Simple Peptide's average of 99.80% for this peptide over 22 batches, and 0.27 pts above the all-vendor average of 99.69% across 406 COAs from 53 vendors.

97.9% 100.0%
This batch 99.95% Vendor avg (22 batches) 99.80% Peptide avg (406 COAs) 99.69%
Compare pricing

See Retatrutide pricing across 53 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.

Where to buy

Product pages for this peptide at Simple Peptide