FDA regulation newsletters

NewsletterFIT tracks 11 newsletters that cover FDA regulation as a primary topic, 10 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Due Diligence and Art (60K), Sharyl’s Substack (23K) and The Most Important News (19K).

Updated Oct 31, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Due Diligence and Art60K subscribers

    SubstackEvery two weeks · last post 21 days ago

    Likely audience: vaccine skeptics

  2. 2
    Sharyl’s Substack23K subscribers

    SubstackEvery two weeks · last post 23 days ago

    Likely audience: Public health researchers

  3. 3
    The Most Important News19K subscribers

    SubstackSeveral times a week · last post 17 days ago

    Likely audience: urban planners

  4. 4
    JonFleetwood.com13K subscribers

    SubstackSeveral times a week · last post 16 days ago

    Likely audience: public health officials

  5. 5
    AI Health Uncut11K subscribers

    SubstackWeekly · last post 22 days ago

    Likely audience: Healthcare investors

  6. 6
    Science From the Fringe5K subscribers

    SubstackEvery two weeks · last post 9 days ago

    Likely audience: Public health professionals

  7. 7
    Dr. Anish Koka's Newsletter3K subscribers

    SubstackMonthly or less · last post 59 days ago

    Likely audience: Healthcare policy analysts

  8. 8
    Community Immunity2K subscribers

    SubstackEvery two weeks · last post 39 days ago

    Likely audience: Health policy makers

  9. 9
    The Device Files: From Concept to Commercialization1K subscribers

    SubstackEvery two weeks · last post 23 days ago

    Likely audience: Regulatory affairs professionals

  10. 10
    Of Note—

    SubstackMonthly or less · last post Aug 28, 2026

    Likely audience: Healthcare professionals

  11. 11
    On Drugs 4K subscribers

    Substacklast post Dec 6, 2024

    Likely audience: policy analysts

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