
I aim to live to 151. To that end, I test and measure everything. I adhere to scientifically proven methods for how to incrase life expectancy and longevity. In this newsletter I document my journey, all my test results and what I learn. Join me!
| Platform | Pricing | Only free issues | Publishes | Weekly | |
|---|---|---|---|---|---|
| Issues | 110 | Founded | 3 years ago | Last Issue | 2 months ago |
| Active | |||||

I went through three brutal, life zapping episodes of insomnia. The two first ones lasted about 2 weeks each, and the last one, a little over a month.
It got so bad that I was fearful it would become chronic. I sensed angst that I would ha...
I have struggled with 3 episodes of insomnia in my life.
It was brutal. Life zapping. And it made me very concerned about the long-term health implications.
Brain damage.
Dementia.
And so on..
But, I found a way out of my sleep prob...
In the past, I have had poor levels of vitamin B12, because there has hardly been any of it in my diet, and I was not good at supplementing.
These are my past results:
December 4, 2023: 202.00 pg/mL
January 5, 2024: 173.00 pg/mL...
In July of 2025 I took my first epigenetic biological age test. I was super excited to read the results and was expecting my biological age to be lower than my actual age.
To my surprise, the result showed that my biological age was 49, wh...
I first took an iron test back in May 2024. After this came in low, I started taking an iron supplement. However, despite seemingly getting enough iron through my diet and taking supplements, I have had a hard time getting my level to stay...
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The writers behind this newsletter.
My name is Johan and I do everything in my power to live to 151. I apply science, I experiment with my own body, and I try to push the boundaries of human longevity.
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