Mar 10 2025 47 mins
Can the secret to slowing biological time be found in your gut? Nicholas Tubach, founder of Propion, believes the answer is yes – but not in the way most people think about gut health.
Welcome to this week's episode - "Beyond the Bacteria - Rewiring the Gut-Brain Connection for Longevity"
Unlike traditional approaches focusing on probiotics or prebiotics, Tubach's revolutionary perspective centers on post-biotics – the metabolites produced by gut bacteria that directly interact with our cellular processes. "I don't think the bacteria in our gut are important at all," he provocatively states before clarifying, "what's important about the bacteria is the post-biotics they make."
Propion Blend, the company's flagship product, works through a fascinating mechanism: it diverts the metabolism of tryptophan (yes, that Thanksgiving turkey amino acid) away from inflammatory host pathways toward bacterial pathways that generate potent anti-inflammatory, neuroprotective compounds. According to Tubach's co-founder Dr. Daniel Weiner, these "Propion molecules" show more promise for transforming human health than any other compounds except semaglutide – a bold claim from a scientist not known for marketing hyperbole.
Propion's approach truly stands out in the crowded longevity market because of its scientific foundation and refreshingly pragmatic philosophy. Rather than demanding puritanical lifestyle changes, Tubach envisions longevity technologies that accommodate real life. "Propion, one of the goals of our product... will be to minimize the negative effects of inevitable unhealthy and sometimes desirable unhealthy practices in your life," he explains, acknowledging that most people want to live longer while still enjoying simple pleasures.
Beyond his own venture, Tubach shares valuable insights about the broader longevity landscape, including his enthusiasm for longevity clinics, the potential of gene therapies, and practical tips anyone can implement today – from air filtration to making longevity a social activity shared with friends. Discover how cutting-edge science is making the dream of extended healthspan increasingly accessible to everyone, not just those willing to dedicate their entire lives to the pursuit.
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