Biohacker Bryan Johnson Opens Up on His Autoimmune Diagnosis: A Journey of Health and Defiance

Lisa Chang, Asia Pacific Correspondent
5 Min Read
⏱️ 4 min read

Bryan Johnson, the 48-year-old tech entrepreneur and biohacker renowned for his extreme health regimen, has recently disclosed his diagnosis of autoimmune gastritis, a condition he attributes in part to a long-standing autoimmune issue first identified when he was just 21. In a candid exchange with The Independent, Johnson expressed his gratitude for the rigorous health practices he has maintained over the past five years, stating, “Had I not taken care of my body, the situation would be much worse.”

A New Challenge in Johnson’s Health Journey

In his email, Johnson revealed that his autoimmune gastritis has significantly impacted his body’s ability to absorb iron, a condition he has battled for over a decade. He shared an image on social media showcasing his recent infusion of Monoferric, a treatment designed for individuals suffering from iron deficiency anaemia. “I had low iron for 11 years,” he wrote, adding that he has finally restored his levels to a healthy state. Johnson believes that his autoimmune condition is linked to a lifetime of health challenges, saying, “This has been part of my body for 27 years.”

His unconventional lifestyle, which reportedly costs around £1.5 million annually, has attracted both admiration and criticism. In a series of recent posts, he defended his approach against detractors who suggest that his intense health journey may be the cause of his current health woes. “I’m trying to break the spell of unhealthy traditions,” he asserted, highlighting how societal norms often encourage detrimental habits.

Defying Conventional Wisdom

Johnson’s commitment to what he calls the “Don’t Die” programme includes practices such as hyperbaric oxygen therapy and even transfusions from his son’s blood plasma. While these methods have garnered a loyal following, they have also sparked a significant backlash. Critics have argued that his extreme measures could be responsible for his autoimmune diagnosis, a claim that Johnson vehemently disputes.

In addressing these concerns, he pointed out, “The absence of diagnosis does not equal the presence of health.” He believes that many individuals fail to adequately assess their health, potentially masking underlying issues. “For those who do not routinely measure their health, that ignorance manifests a false sense of physiological superiority,” he stated.

Johnson has also taken aim at suggestions from his critics that dietary changes, such as increased meat consumption or more sunlight exposure, could remedy his autoimmune gastritis. He dismissed these notions, suggesting that they are unlikely to have any effect on a condition rooted in complex genetic and immunological factors.

Reflecting on the Past

In his social media reflections, Johnson recounted a troubling past marked by unhealthy eating habits, including fast food and sugary drinks, alongside the pressures of entrepreneurship and parenthood that led to significant weight gain and a subsequent struggle with chronic depression. He connected these lifestyle choices to the onset of his autoimmune issues, stating, “Somewhere in that timeline, my body began developing an autoimmune process affecting my thyroid and then my stomach lining.”

He explained that his autoimmune challenges began early in life, with his diagnosis of autoimmune thyroid disease at the age of 21. Johnson’s insights underscore a profound understanding of how long-term health decisions can impact well-being. “I don’t intend to live a little. I intend to live more than any human who has yet lived and invite you to join me,” he proclaimed, challenging the conventional narrative around health and longevity.

Why it Matters

Bryan Johnson’s journey serves as a powerful reminder of the complexities surrounding health and well-being, particularly in an age where biohacking and alternative health practices are gaining traction. His story highlights the importance of understanding one’s body and health history, while also provoking critical discussions about the societal pressures that shape our lifestyle choices. As he navigates his health challenges, Johnson’s experiences may inspire others to take a more proactive and informed approach to their own well-being, challenging norms and encouraging deeper reflection on what it means to live a healthy, fulfilled life.

Share This Article
Lisa Chang is an Asia Pacific correspondent based in London, covering the region's political and economic developments with particular focus on China, Japan, and Southeast Asia. Fluent in Mandarin and Cantonese, she previously spent five years reporting from Hong Kong for the South China Morning Post. She holds a Master's in Asian Studies from SOAS.
Leave a Comment

Leave a Reply

Your email address will not be published. Required fields are marked *

© 2026 The Update Desk. All rights reserved.
Terms of Service Privacy Policy