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Bryan Johnson says worst biohack method is ‘disastrous’ for his health after 100 day trial
Home>News>US News
Published 13:09 17 Jul 2026 GMT+1

Bryan Johnson says worst biohack method is ‘disastrous’ for his health after 100 day trial

Johnson has pursued a lot of strange treatments in his quest to live forever

Kit Roberts

Kit Roberts

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Self-declared 'biohacker' Bryan Johnson has opened up about one technique that he regrets using.

Johnson has frequently spoken about the many techniques that he has used in order to try and 'de-age' himself.

The tech millionaire has even opened up about how he wants to try and be the first person to live indefinitely, with his social media bio reading 'Conquering death will be humanity’s greatest achievement.'

But while he uses a lot of techniques, Johnson opened up how using 'human growth hormone' had some serious consequences for his body.

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Johnson spoke to Doctor Mike in a clip posted on YouTube, who asked him about which treatment had the worst outcome for him.

"I'd say the worst outcome was using human growth hormone," he said. "We were repeating a study that was done for thymus rejuvenation, so the gland responsible for the immune system."

Johnson has documented his strange journey (Jamie McCarthy/Getty Images for Tribeca Film Festival)
Johnson has documented his strange journey (Jamie McCarthy/Getty Images for Tribeca Film Festival)

He added: "We did 100 days of human growth hormone 0.6, 1.8 IU was the dose."

So what was the impact that this had?

"We successfully changed my thymus fat fraction by seven years equivalent, so according to three MRIs we regenerated my thymus by seven years," he explained.

However, Johnson went on to say taht while 'that was positive', it had come 'at a pretty extreme cost'.

"I had intracranial pressure increase, I had my blood glucose were messed up, it was pretty disastrous for my body," he said.

Johnson recently took his social media pages after revealing that he had been diagnosed with autoimmune gastritis.

“My stomach is eating itself,” Johnson, 48, said on X.

The condition is where the immune system attacks healthy cells in the lining of the stomach, mistaking them for a invasive danger to the body.

“AIG causes irreversible damage: nutritional deficiency, anemia, and over a long horizon, elevated cancer risk," Johnson wrote.

“When AIG is discovered today, standard medical care concedes defeat, stating that nothing can be done except managing the condition, no matter how awful or lethal the effects.”

Since then, Johnson shared another long post in which he claimed that 'the world wants me to die'.

Johnson has carried out several odd techniques to extend his life (PATRICIA DE MELO MOREIRA/AFP via Getty Images)
Johnson has carried out several odd techniques to extend his life (PATRICIA DE MELO MOREIRA/AFP via Getty Images)

“My incurable disease diagnosis became global news. It was omnipresent on social media and 1,900 articles were written in a matter of days.

“Many were saddened. However, joy dominated the commentary.”

He added: “People pointed to schadenfreude, the pleasure of another's failure. Yes, there’s that.

“There is a special place in people’s hearts that loves to see others fail, especially when that person’s presence threatens their own psychological stability in some way or helps them feel better about themselves.”

Johnson went on to start talking about the ancient poem the Epic of Gilgamesh, writing: “This was the first story ever written down, 4,000 years ago. Gilgamesh sought eternal life after losing someone he loved, only to have the plant of youth stolen by a serpent as he bathed. Leaving him to accept his mortality."

Johnson has undertaken some very strange things in his pursuit of living forever, including waking up at 5am every day and having his last meal of the day at 11am.

Featured Image Credit: Kyle Grillot/Bloomberg via Getty Images

Topics: US News, Bryan Johnson, Health, Science

Kit Roberts
Kit Roberts

Kit joined LADbible Group in 2023 as a community journalist. They previously worked for StokeonTrentLive, the Daily Mirror, and the Daily Star.

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