longevity research newsletters

NewsletterFIT tracks 8 newsletters that cover longevity research as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Solar Kitties | Energy & Longevity (108K), StayCurious Metabolism (69K) and Stayin' Alive (24K). Brands detected sponsoring these newsletters recently include Bon Charge.

Updated Oct 29, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Solar Kitties | Energy & Longevity 108K subscribers

    Substack Every two weeks · last post 31 days ago

    Likely audience: biotech investors

  2. 2
    StayCurious Metabolism 69K subscribers

    Substack Every two weeks · last post 16 days ago

    Likely audience: Health and wellness enthusiasts

  3. 3
    Stayin' Alive 24K subscribers

    beehiiv Weekly · last post 25 days ago

    Likely audience: Biohackers

    Sponsors detected: Bon Charge

  4. 4
    Repurposed Drugs: Powers & Possibilities 24K subscribers

    Substack Every two weeks · last post 14 days ago

    Likely audience: Public health officials

  5. 5
    Calm & Grounded with Stacey Chillemi 7K subscribers

    Substack Every two weeks · last post 7 days ago

    Likely audience: Health-conscious individuals

  6. 6
    Road Trip to Younger 3K subscribers

    Substack Every two weeks · last post 13 days ago

    Likely audience: Women over 50

  7. 7
    Arjun Khemani 2K subscribers

    Substack Monthly or less · last post 28 days ago

    Likely audience: longevity researchers

  8. 8
    Dynamic Entropy — Alan Cohen —

    Substack Every two weeks · last post 9 days ago

    Likely audience: evolutionary biologists

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