Thumbnail for Bryan Johnson: I Just Took the Most Powerful Dose of DMT in the World... Here's What It Was Like

Bryan Johnson: I Just Took the Most Powerful Dose of DMT in the World... Here's What It Was Like


Episode Details
Channel

All-In Podcast

Published

3/25/2026

Episode Summary

In an episode of the All-In Podcast, supported by Eight Sleep, host David Friedberg interviews Bryan Johnson about his extensive Longevity protocols. Johnson details his use of 5-MeO-DMT, a compound significantly more potent than DMT. Unlike traditional longevity interventions such as Rapamycin, Metformin, Hyperbaric oxygen therapy, and the Sauna, psychedelics like Psilocybin and 5-MeO-DMT profoundly impact the brain. They dissolve the Default mode network, which drives Neuroplasticity and can reduce systemic Inflammation. Johnson also observed positive shifts in his Microbiome and Blood glucose levels. To measure these changes, he used Kernel, his neurotech company that previously studied Ketamine for treating Depression. Using MRI and EEG, Kernel tracked his brain's activity. However, Johnson acknowledges the risks, noting that high-dose psychedelics could induce Psychosis or trigger Schizophrenia. The conversation then explores the future of human enhancement, touching on brain-computer interfaces like Neuralink and the broader implications of AI. Johnson outlines his next steps in Cell and Gene Therapy, including Mitochondrial rejuvenation to potentially treat Parkinson's and Alzheimer's. He also discusses delivering the FOXO3 Gene via Mesenchymal stem cells for massive Tissue regeneration. Furthermore, Johnson is growing personalized Organoids from Induced Pluripotent Stem Cells, created using Yamanaka factors. Because overdosing Yamanaka factors carries a severe risk of Cancer, they theorize that future therapies will require Cellular switches for precise control. They highlight companies like New Limit, founded by Blake Byers and Brian Armstrong, which are pioneering this space. Friedberg suggests that using AI as a project manager will vastly accelerate these biological discoveries. Finally, they discuss macro-level technological shifts, comparing these biological advancements to Fusion Energy. They predict that GLP-1s will be the first major step in solving Obesity and Metabolic disorder. By addressing these physical ailments and the widespread Mental Health crisis, they believe American Society will enter an era of unprecedented Abundance. Ultimately, this state of prosperity and well-being is viewed as the most effective way to counter the societal temptation toward Socialism.

Key Topics & People
Eight Sleep
Eight Sleep
Organization

A sleep technology company that sponsors the podcast.

5-MeO-DMT
5-MeO-DMT
Technology

A highly potent psychedelic compound used by Bryan Johnson as an experimental longevity therapy.

Psilocybin
Psilocybin
ScientificConcept

A psychedelic compound shown to dampen the default mode network and drive neuroplasticity.

DMT
ScientificConcept

A powerful psychedelic molecule, which 5-MeO-DMT is derived from or compared against.

A medical treatment involving breathing pure oxygen in a pressurized environment, used for longevity.

Rapamycin
ScientificConcept

An immunosuppressant drug used in longevity protocols to slow aging.

Metformin
Metformin
ScientificConcept

A diabetes drug utilized in longevity treatments for its anti-aging properties.

Sauna
Sauna
Technology

A heat therapy used as a foundational intervention for health and longevity.

Default mode network
Default mode network
ScientificConcept

A brain network associated with ego and rumination that becomes rigid with age and is suppressed by psychedelics.

Kernel
Organization

A brain interface company founded by Bryan Johnson that maps brain activity and connectivity.

Blood glucose
ScientificConcept

Blood sugar levels that experienced a profound metabolic reset after psychedelic therapy.

Neuroplasticity
Neuroplasticity
ScientificConcept

The brain's ability to rewire itself and form new neural connections, stimulated by psychedelics.

Inflammation
Inflammation
ScientificConcept

A biological response targeted by longevity therapies because it drives aging and disease.

MRI
Technology

Magnetic resonance imaging used to map structural and functional brain changes.

EEG
Technology

A test that detects electrical activity in the brain, used to quantify the effects of psychedelics.

Ketamine
Ketamine
ScientificConcept

A dissociative anesthetic used as a therapy for depression, previously studied extensively by Kernel.

A developing therapy aimed at restoring the energy-producing function of cells using young donor mitochondria.

A severe mental condition that is a potential risk of using high-dose psychedelics.

A mental disorder that could be triggered in predisposed individuals by psychedelics.

A progressive neurodegenerative disease targeted by new mitochondrial therapies.

A neurodegenerative disorder that could potentially be treated by mitochondrial therapy.

Mesenchymal stem cells
ScientificConcept

Multipotent stem cells used as a delivery mechanism for gene therapies like FOXO3.

Organoids
Technology

Miniaturized versions of organs produced in vitro for testing drug responses.

Cancer
Cancer
Topic

A disease risk associated with the improper dosing of Yamanaka factors.

Adult cells genetically reprogrammed to an embryonic stem cell-like state for creating organoids.

Co-founder of the longevity company New Limit.

Theoretical biological mechanisms to control the dosing of Yamanaka factors to prevent cancer.

New Limit
Organization

A company working on epigenetic reprogramming to extend human healthspan.

The process of renewal and growth to repair tissue, a key goal of FOXO3 therapies.

Health conditions affecting metabolism, reported to affect a massive portion of the population.

The strategic use of artificial intelligence to direct and accelerate complex biological research.

The general populace of the US, currently experiencing high rates of poor health and unhappiness.

A widespread societal issue exacerbated by poor physical health and digital distraction.

Obesity
Obesity
Unknown

A major health epidemic affecting over 40% of the population, leading to societal malaise.

An economic system discussed as a temptation that could be reduced by increasing human abundance.

A state of having plentiful resources like food, energy, and lifespan, which increases human happiness.

GLP-1s
Technology

Drugs used to treat obesity and diabetes, driving early health abundance.

Fusion Energy
ScientificConcept

A powerful future energy technology, ranked as highly impactful but currently behind AI and longevity therapies.

Co-founder of New Limit, working alongside Blake Byers.

Yamanaka factors
ScientificConcept

Protein transcription factors used to induce cells to become pluripotent stem cells.

FOXO3 Gene
ScientificConcept

A gene associated with longevity and massive tissue regeneration.

Advanced medical treatments modifying genes or using cells to rejuvenate the body.

Neuralink
Neuralink
Organization

A neurotechnology company developing implantable brain-machine interfaces.

AI
Technology

Artificial intelligence, viewed as the dominant engine of innovation requiring humans to adapt rapidly.

A mental health disorder that ketamine and other therapies aim to treat.

Microbiome
Microbiome
ScientificConcept

The community of microorganisms in the body, which was altered positively by psilocybin use.

The scientific and strategic pursuit of extending human healthspan and lifespan.

All-In Podcast
Organization

The podcast featuring the interview on longevity, psychedelics, and technology.

Entrepreneur known for his intensive Blueprint protocol and longevity experiments.

Host of the All-In Podcast who interviews Bryan Johnson about longevity and biological experiments.