Bryan Johnson has explored hyperbaric oxygen therapy, cerebrolysin, and mesenchymal stem cells for longevity.

“so that's it for the left knee you did great that was that was so much easier than I thought I was expecting a lot more pain well we still got another knee to do yeah as the doctor injects my second knee I'm very aware next up is my hip which will be more painful yeah okay so both knees are done and now we just do the right hip”

“my my Dad's getting uh 100 million uh bone derived mess and commel stem cells injected in the vein so this is called a systematic treatment where when you put it in the vein it can go throughout the entire body”