functional medicine newsletters

NewsletterFIT tracks 6 newsletters that cover functional medicine as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Maryam Henein on Substack (48K), Rethinking Wellness (34K) and Funxional Health with Dr. Brandon Pettke (13K).

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

  1. 1
    Maryam Henein on Substack48K subscribers

    SubstackEvery two weeks · last post 18 days ago

    Likely audience: health-conscious consumers

  2. 2
    Rethinking Wellness34K subscribers

    SubstackEvery two weeks · last post 19 days ago

    Likely audience: Psychotherapists

  3. 3
    Funxional Health with Dr. Brandon Pettke13K subscribers

    SubstackEvery two weeks · last post 12 days ago

    Likely audience: functional medicine practitioners

  4. 4
    Dr. Stillman Uncensored 11K subscribers

    SubstackEvery two weeks · last post 17 days ago

    Likely audience: Functional medicine practitioners

  5. 5
    Repurposed Oncology8K subscribers

    SubstackEvery two weeks · last post 8 days ago

    Likely audience: Health enthusiasts

  6. 6
    Julie's Notebook4K subscribers

    SubstackMonthly or less · last post 34 days ago

    Likely audience: health and wellness enthusiasts

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