Episode summary
Bryan Johnson: I Just Took the Most Powerful Dose of DMT in the World... Here's What It Was Like
All-In Podcast
· · Hosts: David Friedberg · Guests: Bryan Johnson
Summary
Bryan Johnson says he took 5-MeO-DMT as both a longevity experiment and a probe into whether psychedelics can function as a rejuvenation tool rather than just a therapeutic or ritual drug. He argues that his earlier psilocybin work already suggested a measurable brain reset, including reduced default mode network activity, new connectivity patterns, and even changes in blood glucose and microbiome markers.
He describes the 5-MeO-DMT experience as overwhelmingly intense, immediate, and radically different from psilocybin: not visual, but a direct encounter with raw consciousness that required total surrender of ego and control. In his view, the drug seems to “annihilate” the default mode network, leaving him with a more childlike state, more spontaneous humor, and less emotional escalation in day-to-day interactions.
The conversation then turns to risk, including psychosis, bad trips, and the danger that altered priorities can affect founders, investors, and families. Johnson acknowledges those risks but says better quantification, supervision, and candidate screening could improve safety. He also discusses the next frontier in longevity—mitochondrial therapy, gene therapy, and organoids built from his own cells—while suggesting that GLP-1s may be the first major step toward broader biological abundance.
Key takeaways
- Johnson says 5-MeO-DMT felt more powerful than exercise, sleep, sauna, or hyperbaric oxygen in resetting him as a person.
- He links psilocybin to measurable brain changes, including weaker default mode network activity and more youthful connectivity patterns.
- Johnson argues psychedelics can be dangerous without careful dosing, setting, and supervision, and that some people may not be appropriate candidates.
- He expects mitochondrial therapy, gene therapy, and organoid-based testing to be the next major longevity frontier.
- He thinks GLP-1s could be the first of several technologies that make abundance feel more tangible and socially stabilizing.
Notable quotes
“I did um a I did five MOD DMT, which is the most powerful psychedelic on the planet”
“it feels like an impossible task to explain what it's like. So that caveat said, I'll I'll give it a go. I'm stunned. absolutely floored, speechless”
“it completely dissolves your default mode network”
“I just felt um absolutely like no need to escalate or to defend or to like it was just easy”
“this was more efficacious than all of them in terms of the reset of me as a human”
How the episode opens
Brian Johnson, thanks for being here. — Yeah, it's good to see you. — How are you feeling? Maybe just share with us what you did a few days ago. And — Yeah, I did um a I did five MOD DMT, which is the most powerful psychedelic on the planet. Uh it's somewhere between five and 10 times more powerful than DMT. And so, yeah, I it's so it's been 48 hours. I'm still learning how to talk about it.
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Before we get into your experience, why did you choose to do it?
Two things. is one mostly as a longevity experiment. So when when we when I started this project 5 years ago, the the approach we had was go through all the scientific evidence ever published on health and longevity.
Try to find the interventions that have the best evidence for effect size and we just went down the list from top performing on down. So, of course, you start with uh exercise, nutrition, uh you know, um sleep, and you work your way down to things like hyperbaric oxygen therapy and sauna, and then rapamy, metformin. And so, we never actually had on our radar psychedelics.
They were always either an ancient medicine, you know, being used in in ritualistic practices or being pointed at things like depression and anxiety in in certain trials, but it was never understood as a rejuvenation protocol, something that was for anti-aging.
From the episode’s captions: roughly the first two minutes, lightly cleaned. Keep watching on YouTube →
Topics
- dmt 5-meo-dmt use
- brain scans
- psychosis and bad trips
- organoids and gene therapy
- glp-1s and human optimization
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Summary, takeaways and quote selection by Octagon. Quotes are short excerpts; the full conversation is in the episode.
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