Dr. Peter Attia, a physician and expert in longevity, recently revealed his supplement routine in an AMA episode on his podcast, The Drive. While he emphasizes that you should not wholeheartedly adopt his routine, I look to it with curiosity and as a way to provide insights into relevant and high-quality supplements that may improve biomarkers.

What is the minimum effective dose of Zone 2 training? Plus, what are the benefits of this kind of exercise, how to know if you’re in Zone 2, and do you need to do it anyway?