Best Vitamin D Supplementation Newsletters in 2026
NewsletterFIT tracks 3 newsletters that cover Vitamin D supplementation as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are The Curious Substack (21K) and Paradox Health (1K).
Updated Nov 12, 2026 · sorted by publicly shown subscribers · methodology
- 1The Curious Substack21K subscribers
SubstackWeekly · last post 14 days ago
From recent posts: The publication covers alternative health protocols and nutritional biochemistry, featuring deep-dive essays on supplement mechanisms (magnesium, boron, chlorine dioxide), personal experimentation with high-dose vitamin…
Likely audience: Health enthusiasts interested in alternative medicine
- 2Paradox Health1K subscribers
SubstackMonthly or less · last post Sep 4, 2026
From recent posts: Paradox Health publishes a mix of health policy analysis and clinical commentary. Recent issues cover vitamin D supplementation for winter immune health, legislative mandates on occupational medicine, and critiques of…
Likely audience: parents
- 3
SubstackWeekly · last post 6 days ago
A weekly nourishing newsletter with tips and tricks to live well. From a registered nutritional therapist in London
Likely audience: Health-conscious individuals
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