The Encyclopedia of Peptides

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Exenatide

Also known as Byetta, Bydureon, exendin-4.

Best known for The first GLP-1 drug, and it came from a lizard
Evidence★★★★☆
Safety dataWell characterised
Route Twice-daily or weekly injection
United StatesFDA approved (type 2 diabetes)
AustraliaSchedule 4
as at 16 September 2026

What it is

Exenatide is the first GLP-1 receptor agonist approved for human use, in 2005. It is a synthetic version of exendin-4, a peptide found in the saliva of the Gila monster, a venomous lizard native to the southwestern United States.

What the full entry covers

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Related entries

A certificate of analysis tells you what is in a vial. The evidence rating above tells you whether the compound has been shown to work in humans. Neither answers the other's question. How to read a certificate of analysis.

This page describes what is known and not known about Exenatide. It is not medical advice and not a recommendation to use it.