---
type: Organization
title: "Vitamin D Council — research and advocacy"
description: "The VDC was founded in 2003 by John J. Cannell, MD, who observed that many patients in a maximum-security psychiatric hospital were vitamin D deficient. The Council grew to become a trusted global resource for evidence-based research, education, and guidance about vitamin D's role in health."
resource: "https://bavida.com/t/y1bsp4nfg7vc9a6gybj8/"
locale: en
published: "2026-04-22T17:14:57.440Z"
timestamp: "2026-08-02T16:08:19.434Z"
tags:
  - "y1xhmk6xdkthmh6ndgna"
  - "y1gk3vsh6pkns5h79ek3"
  - "y1fsk3y3xsueaznqr5xk"
  - "y1dgdp9d7g7bz74jja6n"
---

# Vitamin D Council — research and advocacy

The VDC was founded in 2003 by John J. Cannell, MD, who observed that many patients in a maximum-security psychiatric hospital were vitamin D deficient. The Council grew to become a trusted global resource for evidence-based research, education, and guidance about vitamin D's role in health.

**Contents**

- What We Do
- What's so wrong with that
- Vitamin D Council - former Staff & Board members

Full text: https://bavida.com/t/y1bsp4nfg7vc9a6gybj8/