A closer look at “Dr Xand van Tulleken Debunks Collagen Supplements: What Science Really Says About Anti-Agi”, exactly as the source publishes it. In a revealing episode of the Guardian Science Podcast, Dr Xand van Tulleken—bestselling author of Make Me Well—cuts through the hype surrounding collage... The Guardian HealthSep 15, 2026 • 4:00 AM1 views In a revealing episode of the Guardian Science Podcast, Dr Xand van Tulleken—bestselling author of Make Me Well—cuts through the hype surrounding collagen supplements, examining whether claims about wrinkle reduction, shinier hair, and joint relief hold up under scientific scrutiny.
With collagen products now a $3 billion global market, van Tulleken investigates why consumers are drawn to expensive powders, gummies, and pills despite limited clinical evidence. He explains that while collagen is naturally abundant in our skin, bones, and joints, oral supplements may not effectively deliver the protein where it’s needed due to digestion breaking it down into amino acids first. For the complete material, the listing points back to the source inside the network.