Bryan JohnsonFounder of Blueprint and Don't Die

How I'm trying to decrease my lung age

15 Aug 2024 · 1 min

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In this brief update, Bryan Johnson explains how contracting COVID-19 in November 2022 caused his spirometry‑measured lung biological age to jump from 26 (recorded in 2001) to 46. Recent testing shows a reduction to about 36, indicating some recovery. To further improve lung capacity and address underlying issues, he is trialing a supplement called “lumbar K,” taken twice daily (morning and night). He frames the effort as an ongoing experiment to bring his lung age back down to its pre‑COVID level.

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When I got Covid in November, it increased my lung age by 19 years. So using spirometry, my biological age of my lungs were 26 in 2001. And then in Covid happened in November of 2022, my lung age went to 46. And so we've been trying very hard to bring my lung age back down. And just recently, this, this week, I tested at 36, I believe. So I gained some ground back, but I'm still not back at where I was. And so we were trying to find ways to potentially increase my lung capacity and address the underlying issues. And lumbar K is one of the things we're trialing to see if I can do it. So this is one pill twice a day, morning and night.