NPR's A Martinez speaks with tech entrepreneur Bryan Johnson about the Netflix documentary "Don't Die: The Man That Wants To Live Forever," which portrays his quest to slow aging.

THE MAN THAT WANTS TO LIVE FOREVER") BRYAN JOHNSON: I wake up. I turn a specific light on in my bathroom that gives me sun-like exposure. I take three pills, go downstairs, start HRV therapy ...

Once he’s soaked up some sun, Johnson pops three pills: vitamin C, essential for tissue growth and repair, and heme and elemental iron, crucial for a range of bodily functions, including ...

American billionaire and entrepreneur Bryan Johnson has made a number of headlines recently ... Johnson takes a huge number of supplements at different times of the day. These include 20 pills when he ...