GLP-1 Peptide Development Timeline
Last updated July 2, 2026 · Medically reviewed by David Chen, MD, PhD
Today's GLP-1 peptides did not appear overnight. They are the product of decades of incretin science — from the discovery of the gut hormones that signal fullness, through the first GLP-1 agonists, to the dual- and triple-receptor agonists in trials now. The interactive timeline below charts that progression.
Why the trajectory matters
Each generation added receptors and, with them, effect: GLP-1 alone, then GLP-1 + GIP, then GLP-1 + GIP + glucagon. Understanding that arc is the fastest way to make sense of why the newest compounds outperform the older ones. See the mechanism in how GLP-1 peptides work or the head-to-head numbers in the compound comparison.
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