DUO-TIRZ

DUO-TIRZ — The Dual Agonist

• Supports weight reduction
• Supports glycaemic control

Overview

DUO-TIRZ is a synthetic dual agonist of the GIP and GLP-1 receptors, built on a 39-amino-acid peptide backbone with a C20 fatty-diacid side chain that extends its half-life. It is supplied as a lyophilised powder in a sealed vial for laboratory and in-vitro research.

Every batch is independently third-party tested for HPLC purity and mass-spectrometry identity, and the certificate of analysis for the batch you receive is published on our lab results page.

Key Specifications

• Product format: Lyophilised powder, sealed vial
• Available sizes: 40mg vial
• Sequence / origin: Synthetic dual GIP / GLP-1 receptor agonist — 39 amino acids with a C20 fatty-diacid moiety
• Purity: 99.853% by HPLC on independent testing — details below
• Storage: Store sealed vials cool, dry and away from light; freeze for long-term storage
• Reconstitution: RECON-X — see our reconstitution guide
• Intended use: Laboratory research use only

Independent Lab Test

Tested by Janoshik Analytical in a blind GLP-1 peptide screen, task #173781, analysed 16 June 2026.

• Sample tested: 40mg vial, batch 6
• Measured content: 43.60 mg
• Purity: 99.853%

Verify the result yourself at janoshik.com/verification with the key BWGKJBLMTUKW.

For laboratory research use only. All products sold by PepSource are strictly for laboratory research purposes and are not intended for human or veterinary consumption. No dosing, administration or physiological guidance is provided.