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Anti-Aging CEO's Test Subjects Reportedly Suffered Grim Side Effects

Published on: 2025-06-03 19:12:37

Image by Bryan Johnson/Facebook/Futurism Studies An alarming new investigation by the New York Times accuses youth-obsessed tech mogul Bryan Johnson of covering up some grim side effects experienced by participants testing his line of supplements. Johnson — who was an early investor in Futurism, but hasn't had any involvement for years — has gone to extreme lengths to slow down or even "reverse" his "biological age" through a series of sometimes extreme self-experiments, like using his teenage son as a "blood boy" and measuring his nighttime erections. He's parlayed that hype into a line of supplements and meals called "The Blueprint Stack," bolstered by what the company says were promising study results. But the NYT's reporting makes that study sound very dubious. Out of the roughly 1,700 participants, a whopping 60 percent experienced at least one side effect, according to documents viewed by the newspaper. Blood tests showed that some participants saw their testosterone levels d ... Read full article.