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
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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 0.13 pts above the all-vendor average of 99.69% across 406 COAs from 53 vendors.
97.9% 100.0%
This batch 99.81% 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
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