Creatine, Sleep Trackers, and AI Doctors | Bryan Johnson Podcast #03

What’s the truth when it comes to creatine? And which sleep tracker gets you the best results? Blueprint co-founder Kate Tolo and Blueprint Chief Medical Officer Dr. Mike Mallin join me to discuss the science behind some of the hottest wellness topics to find out which ones are actually worth your time.  

UNSW Creatine study: https://www.unsw.edu.au/newsroom/news/2025/03/sports-supplement-creatine-makes-no-difference-to-muscle-gains-trial-finds

Andrej Karpathy’s sleep tracker study: https://karpathy.bearblog.dev/finding-the-best-sleep-tracker/

Connect: 

X: https://x.com/bryan_johnson

YouTube: https://www.youtube.com/@BryanJohnson

Instagram:  https://www.instagram.com/bryanjohnson  

TikTok:  https://www.tiktok.com/@_bryan_johnson_

Chapters

0:00 - Intro

0:41 - 1: Welcome to the Don't Die podcast

2:52 - 2: Dr. Mike’s experience as an ER physician

7:32 - 3: Difference between America and New Zealand ER

9:38 - 4: Dr. Mike on using ChatGPT 

13:00 - 5: New study on creatine effectiveness

18:40 - 6: How much creatine to take per day

24:33 - 7: Body awareness

29:33 - 8: Blueprint protocol’s limit in slowing aging

30:57 - 9: Andrej Karpathy’s sleep monitor study

36:10 - Conclusion