The 45-year-old millionaire tech exec who's trying to age backwards says he won't get any more blood plasma infusions from his teenage son because there were 'no benefits detected'
Courtesy Dustin Giallanza
- The tech exec trying to reverse his aging process stopped getting blood plasma infusions from younger people.
- Bryan Johnson saw "no benefits" from the six plasma exchanges, including one from his teenage son.
- Johnson also gave some of his own blood plasma to his father; he says those results are "pending."
The millionaire tech founder who's trying to age backwards says he's stopped receiving blood infusions from younger people, including his son.
Bryan Johnson tweeted last week that he's discontinuing "young plasma exchanges" after seeing that it didn't yield any benefits.
"Evaluated biomarkers from biofluids, devices and imaging, no benefits detected," Johnson wrote. "Young plasma exchange may be beneficial for biologically older populations or certain conditions. Does not in my case stack benefit on top of my existing interventions. Alternative methods of plasma exchange or young plasma fractions hold promise."
The 45-year-old centimillionaire said he'd received a 1-liter blood "young plasma" donation once a month for six months; one of these came from his 17-year-old son, Talmage. Johnson also said he gave some of his plasma to his own father, Richard, who is in his 70s, but those results are "still pending."
Bloomberg reported that the three men swapped blood in April: Talmage gave a liter of blood — the average person has roughly 5 liters of circulating blood — that was then separated into its component parts to isolate the plasma so it could be given to Bryan. After Richard gave some blood to make room for the infusion, he received plasma from Bryan.
The infusions are part of a grueling, $2 million-a-year regimen Johnson has undertaken in an effort to reverse the aging process. One aspect of his routine includes limiting his eating to a five-hour window each day, eating only between 6 a.m. and 11 a.m.. He also exercises daily and takes a host of supplements each morning, and monitors his diet to consume exactly 1,977 calories every day.
He says he has already seen some progress in reducing his biological age: His doctors told Bloomberg in January that their tests show he has the heart of a 37-year-old and the lungs of an 18-year-old.
Johnson did not immediately respond to a request for comment ahead of publication.
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