Q&A on the most talked-about set of supplements from 2019: NAD+ and its precursors, most notably NR and NMN. We also included a buying guide for identifying safety & quality in supplements.

Summary of Chris Kresser and James Wilks' appearance on The Joe Rogan Experience. The pair debate the truth of The Game Changers documentary.

Summary of Tim Ferris' interview with Adam Grant, organizational psychologist at Wharton and the #1 New York Times bestselling author of four books that have sold over two million copies.

Summary of Terry Gross' interview with Michael Pollan on NPR's Fresh Air Podcast. Michael is the author of "How to Change Your Mind."

Summary of Chris Kresser's interview with Ben Greenfield, host of the Ben Greenfield Fitness podcast and author of the new book, "Boundless."

Summary of Dr. Heather Sandison's interview with Dr. Andrew Weil, a world-renowned leader and pioneer in the field of integrative medicine.

Summary of Chris Kresser's interview with Dr. Matthew Walker, the author of "Why We Sleep."

Neil Pasricha is the author of the new book, "You Are Awesome."

Tim McGraw is a famous country singer.

This is a master post featuring the Key Takeaways from the 'Lessons of Greatness' episodes of Mike Maples' new podcast, Starting Greatness.

Kapil Gupta returns to The 33voices Dialogue to discuss the truth about self-image. why the self-improvement industry is a sham, and so much more.

Tulsi Gabbard is a 2020 Presidential Candidate of the Democratic Party. Jocko Willink is a podcaster, author, and retired United States Navy SEAL.

Peter Atta, MD is the founder of Attia Medical, PC, a medical practice with offices in San Diego and New York City focusing on the applied science of longevity and optimal performance. He also hosts The Peter Attia Drive podcast.

This post features all episodes of Peter Attia's new podcast series The Qualys, that are released on his Peter Attia Drive podcast feed.

This post features the Podcast Notes from all episodes of Derek Sivers' new podcast.

In this episode of Conversations with Tyler, the tables are flipped - Mark Zuckerberg interviews Tyler Cowen and Patrick Collison about the slowing rate of scientific progress.