HeyJaredThe SMART Salon
The Longevity Filter is where I share the work I’m usually paid to do behind closed doors — critically appraising the products, services, and science at the intersection health optimization, precision medicine, preventive health, longevity, and wellness.
- Indexed issues, last 90 days
- 4
- Latest publication
- Sep 12, 2026
- Audience
- Checking…
- Earliest in this view
- Aug 21, 2026
Latest issues
Some peptides are amongst the most rigorously validated drugs in modern medicine, just not the ones you’re being sold for ‘longevity’ (opens the original)
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Disclosure: I have no commercial relationship with any peptide company, clinic, or compounding pharmacy. This is an independent appraisal of evidence and regulatory status. It is not medical advice, and nothing here is a recommendation to take or avoid anything.THE LONGEVITY FILTER is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.<input class="emai
Grüns: a $1 billion lesson in what sells versus what actually improves your health (opens the original)
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Disclosure: I have no commercial relationship with Grüns or Unilever. This is an independent appraisal based on public information and my professional opinion, not a statement of fact.<img alt="" class="sizing-normal" height="1094" src="https:
Inside a ‘longevity’ scientific advisory board: what actually gets appraised (opens the original)
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<img alt="" class="sizing-normal" height="1818" src="https://substackcdn.com/image/fetch/$s_!-j3p!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe9f8b378-a881-419f-b443-caa0fad53726_366
Most luxury longevity products fail one simple test (opens the original)
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<img alt="" class="sizing-normal" height="640" src="https://substackcdn.com/image/fetch/$s_!8iTN!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F286b20e2-5414-4eb7-b607-461839eec9cf_640x480.jpeg"
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