QUALITY DOCUMENTATION

Lab Results

Every RetraLabs product page states its HPLC purity. The Certificate of Analysis for a specific batch is available on request, so the document you receive matches the vial you receive.

Stated purity by product

Retatrutide: 99.2% · Tirzepatide: 99.4% · GHK-Cu: 99.1% · Semax: 99.1% · Selank: 99.2% · BPC-157: 99.3% · NAD+: 99.0% · TB-500: 99.1% · Tesamorelin: 99.2% · MOT-C: 99.0% · Klow Blend: 99.0% · CJC-1295 (No DAC) + Ipamorelin Stack: 99.1% · The Wolverine Stack: 99.1% · AOD 9604: 99.1% · Epithalon: 99.2% · Kisspeptin-10: 99.1% · SS-31: 99.0% · Cagrilintide: 99.1% · Bacteriostatic Water: USP Grade

Certificate of Analysis for your batch

Message us with your order ID or the product and batch you are considering, and we will send the COA for that lot. If a label and a COA ever disagree, contact us before using the material.

How to read a COA

Our guide "How to Read a Certificate of Analysis" in Blogs explains HPLC purity, mass-spectrometry identity, and what a lot number ties together.

Request a COA on WhatsApp