The Peptide Observer

Peptide research, explained for people who are not scientists.

Quick answer

What is Tirzepatide?

Built from index records dated 2026-10-09 to 2026-10-13 Compiled by an automated pipeline, checked by The Peptide Observer editorial desk. No qualified clinical reviewer. How this site works

Tirzepatide is a peptide, grouped on this site under Incretin receptor agonists, and the 12 research records kept here are 10 from trials in people and 2 that do not state what kind of study it is.

The literature search returned 2,591 records. This site keeps 12 of them, which is 0.46 per cent of what came back.

What it is

This site puts it in the Incretin receptor agonists group.

Dual agonist at the glucose-dependent insulinotropic polypeptide (GIP) receptor and the glucagon-like peptide-1 receptor.[1]

Stated in the title of the cited 2021 Lancet trial report.

What kind of records

Several of the records kept here are trials in people.

That sentence is produced by counting, not by reading. What was counted: 10 of 12 indexed records are interventional human trials by their own assigned publication type.

What this does not settle

Where this comes from

The records cited above, in full.

  1. Efficacy and safety of a novel dual GIP and GLP-1 receptor agonist tirzepatide in patients with type 2 diabetes (SURPASS-1): a double-blind, randomised, phase 3 trial. Lancet (2021). pmid:34186022