About Paul von Zielbauer

Paul von Zielbauer

Paul von Zielbauer

Paul von Zielbauer is the creator of AGING with STRENGTH on Substack.

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The Longevity Scientist Willing to Call Out Grifters and Liars Nov 14, 2025

The longevity supplement industry has a growing credibility problem, and most of the scientists in the best position to address it won't. They watch colleagues make claims unsupported by evidence, or start companies that sell products with misleading... Read More

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Simple Ways to Improve Three Biomarkers Most Correlated to Your Mortality Nov 06, 2025

VO2 max, grip strength and balance are among the three characteristics most strongly correlated to lowering mortality risk — aka your risk of dying early. The research is compelling, the advice abundant. So abundant, in fact, that to non-athlet... Read More

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Building a Nighttime Routine for Greater Longevity Oct 23, 2025

Know what determines whether your morning routine actually works? What you do 12 hours earlier. Some people spend years perfecting their mornings — the right sequence of coffee, movement and mental preparation. I've always struggled making my m... Read More

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My Week in Supplement Hell Oct 16, 2025

I've been taking a nightly magnesium supplement for many months. Two pills before bed, sleep restfully through the night, wake up functional. For people in their 50s or older, magnesium is important. Though you can get enough simply through food, I'd... Read More