Retatrutide × Unknown Brand — Lab Test, May 2026

Name: Retatrutide Purity Analysis - Unknown Brand
Creator: ILS Laboratories
Published: 2026-05-12
License: https://creativecommons.org/licenses/by/4.0/

Tested Tuesday, May 12, 2026 · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM

Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →

HPLC Purity

99.89%

✓ Excellent purity only

PeptideRetatrutide

BrandUnknown Brand

LabILS Laboratories

↓ Download COA

Independently confirmed on the lab’s portal✓ Extra check

COA COA-2026-6HXT5V matches ILS Laboratories's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeWXU5QGH

Look it up on ILS Laboratories ↗Checked May 12, 2026

Test results

7 data points

Purity

99.89%

Endotoxins

Not tested

Heavy metals

Not tested

Stated qty

20 mg

Tested qty

20.6 mg

Qty match

103% of labeled · +3%

0label125%

Batch / Lot

GLP320MAY26-01

COA number

COA-2026-6HXT5V

Container

Lyophilized

Tested by

ILS LaboratoriesView profile →

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

Independent HPLC purity analysis of Retatrutide from Unknown brand, performed by ILS Laboratories on May 12, 2026. Reported purity: 99.89%. Net content: 20.6 mg against 20 mg labeled (103% of label). Batch GLP320MAY26-01. Sample source: shop-provided. Certificate of analysis attached.