Billionaire biohacker Bryan Johnson spends millions of dollars on his quest to retain and regain his youth. His efforts involve meticulous tracking of biomarkers, ingesting more than 100 supplements daily, and achieving a high quality of sleep. He launched the Blueprint Project in 2021 with the goal of reducing biological age and has made recipes and resources freely available to the public. Johnson has also been using shockwave treatment on his genitals in an effort to remain erect for nearly four hours per night. Despite criticisms from people like Elon Musk, Johnson claims not to mind it.
You can read more about this topic here: Decrypt: Billionaire Bryan Johnson Has Burned $4 Million Chasing Youth and Virility