Retatrutide × Unknown Brand — Lab Test, April 2026

Name: Retatrutide Purity Analysis - Unknown Brand
Creator: Janoshik Labs
Published: 2026-04-14
License: https://creativecommons.org/licenses/by/4.0/

Tested Tuesday, April 14, 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

99.885%

✓ Excellent purity only

PeptideRetatrutide

BrandUnknown Brand

LabJanoshik Labs

↓ Download COA

Independently confirmed on the lab’s portal✓ Extra check

COA #134995 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeDUGKQ1CQM1KH

Look it up on Janoshik Labs ↗Checked Apr 14, 2026

Test results

6 data points

Purity

99.885%

Endotoxins

Not tested

Heavy metals

Not tested

Stated qty

20 mg

Tested qty

21.32 mg

Qty match

107% of labeled · +7%

0label125%

Batch / Lot

RT20-91504

COA number

#134995

Tested by

Janoshik LabsView 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 Janoshik Labs on April 14, 2026. Reported purity: 99.885%. Net content: 21.32 mg against 20 mg labeled (107% of label). Batch RT20-91504. Sample source: shop-provided. Certificate of analysis attached.