Research guides

What each compound is, what the studies measured and what is still open. Every figure carries its source. Written for the laboratory, not the clinic.

MetabolicPodcast

What is tirzepatide? The dual agonist and how it compares

Tirzepatide is a peptide that activates both the GIP and GLP-1 receptors. This guide covers how it works, what its trials measured and how it sits beside semaglutide, retatrutide and cagrilintide without ranking them.

21 October 2026 · 20 min read

MetabolicPodcast

What are peptides, and why are they so popular?

A peptide is a short chain of amino acids, and the body makes many as hormones and signals. This guide covers how they differ from proteins, how chemistry learned to make them, why interest has grown, and where research peptides sit against approved medicines.

10 October 2026 · 16 min read