The Rest Is Science The Rest Is Science

What Is Collagen All About?

Sep 9, 2026 · 41m

Summary

Hannah Fry and Michael Stevens explore the science behind collagen supplements, discussing their origins in animal byproducts and the limited evidence supporting their efficacy for skin and joint health. They reference the book "Make Me Well" to debunk wellness myths while acknowledging the minor benefits and psychological comfort of taking these pills. The episode concludes with Field Notes answers on Ig Nobel Prize winners, the historical concept of the number two, and the unique properties of elements like indium and bismuth.

Topics discussed

Intro and the surprise Field Notes format Introducing collagen supplements and the book 'Make Me Well' Collagen in cooking and the barbecue connection Sponsor: Cancer Research UK and ancient foot bone Sponsors: Tappy Carpets and Abercrombie What is collagen and its role in the human body Historical use of collagen and the vegan paradox How digestion breaks down collagen into peptides Marketing claims vs. reality for collagen supplements Sources of collagen: animal waste and gelatin The economics and psychology of the collagen industry Scientific evidence: studies on skin and joint health Caveats: bias in studies and realistic expectations Final verdict: cost, side effects, and placebo effect Book recommendation and sponsor: Abercrombie Sponsor: Grenade protein bars Q&A: Favorite Ig Nobel Prize winners Q&A: Why wombat poop is cubic Q&A: Can the number two exist without one? Q&A: Chewing indium and adding protons to atoms Outro and call for questions Sponsor: Grenade Softcore
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