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

Independent test result

Retatrutide

by Skye Peptides· batch RET25-24-005

99.66 %

measured purity(HPLC)· November 10, 2025

HPLC purity
99.663
Net peptide content
25.98

New to reading a COA? See how to read a peptide COA →

How this batch compares

This batch measured 99.66%, 0.08 pts below Skye Peptides's average of 99.74% for this peptide over 9 batches, and right at the all-vendor average of 99.69% across 406 COAs from 53 vendors.

97.9% 100.0%
This batch 99.66% Vendor avg (9 batches) 99.74% 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 Skye Peptides

From the same lot

Other tests in lot RET25-24-005

Same batch, independently tested. Cross-confirm the purity claim.