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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Forget the $200 Longevity Supplements. Just Move Your Body. Sep 18, 2025

Deep down, maybe we all want to believe that, somewhere in a venture-funded Silicon Valley lab, a 28-year-old with a Ph.D. is brewing the fountain of youth in a petri dish. Or that, for a mere $199 a month, the wonder supplement Bryan "Don't Die" Joh... Read More

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NAD+: A Red-Hot Longevity Supplement Pumped by Harvard and MIT Scientists Sep 11, 2025

You know that guy who swears by their $200 NAD+ IV drips? The one who evangelizes about cellular rejuvenation between sips of bone broth at brunch? He's part of a multibillion-dollar industry built on what amounts to the scientific equivalent of "Dud... Read More

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Clock Wars: Making Sense of the Biological Age Testing Boom Sep 04, 2025

Maybe you've seen the ads — "Discover your true age!" — or 50-year-old Silicon Valley gramp-bros bragging that they're "biologically 35." Or you've been exposed to "longevity influencers" and their more toxic (and almost entirely m... Read More

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59 and Counting Aug 28, 2025

Today I woke up 59. Not Paul, 58, anymore. I'm now Paul 5.9, if we're being Silicon Valley about it. The thing about turning 59 is that nobody talks about it. There's no cultural touchstone here, no milestone moment. Fifty felt significant. Sixty wil... Read More