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05 AUG 2026
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News › Peptides
Reference

Peptides

Peptide hormones, growth-hormone secretagogues, and incretin agonists. Dosing is given in the units each is actually measured in, with trial-grade effect sizes where they exist.

2 compounds
Semaglutide
Peptide
A once-weekly GLP-1 receptor agonist licensed for type 2 diabetes and obesity — the drug that defined the current weight-loss era. Large, well-evidenced weight loss with a gastrointestinal side-effect profile as the main limit.
Half-life~7 days
ResearchWell established
Tirzepatide
Peptide
A once-weekly dual GIP/GLP-1 receptor agonist licensed for type 2 diabetes and obesity. Produces the largest mean weight loss of any approved agent to date, at the cost of a dose-limiting gastrointestinal side-effect profile.
Half-life~5 days
ResearchWell established
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