Best Nutritional Supplements Newsletters in 2026

NewsletterFIT tracks 5 newsletters that cover Nutritional supplements as a primary topic, 3 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are In G-d’s Army There’s Only Truth (11K) and Inversionism (2K).

Updated Nov 14, 2026 · sorted by publicly shown subscribers · methodology

  1. 1

    SubstackEvery two weeks · last post Sep 11, 2026

    From recent posts: This newsletter publishes in-depth investigative reports on public health policy, environmental hazards, and vaccine controversies, specifically targeting readers interested in critical analyses of government actions…

    Likely audience: Environmental health researchers

  2. 2

    SubstackWeekly · last post 8 days ago

    Rótulos decifrados, inspirações, dicas e reflexões. Informações didáticas que facilitam escolhas de alimentos, economizam tempo e promovem saúde.

    Likely audience: Consumer safety advocates

  3. 3

    SubstackEvery two weeks · last post 10 days ago

    From recent posts: The article explains seasonal variations in vitamin D production in the UK and recommends specific supplementation dosages to maintain optimal blood levels, particularly for those with higher BMI. It details the role of…

    Likely audience: Health-conscious individuals

  4. 4
    Inversionism2K subscribers

    Substacklast post Oct 19, 2024

    From recent posts: The article promotes a DIY recipe for mineral water using distilled water and specific supplements, arguing it is cleaner and healthier than commercial electrolyte drinks like Prime, Propel, or Gatorade. It details ingr…

    Likely audience: health-conscious readers

  5. 5

    Substacklast post Aug 16, 2023

    Study guides on the best & most practical knowledge on all aspects of health

    Likely audience: Health-conscious individuals seeking to prevent chronic disease

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