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Vitamin D · From the archive

How Much Vitamin D Do We Need?

Dr. James Dowd is an expert in vitamin D. He offers suggestions on how to test and calculate your personal vitamin D needs. He also discusses any potential of getting too much vitamin D and what that might result in.

April 6, 2014
Research on Vitamin D
About this episode

Vitamin D, from the archive

Dr. James Dowd is an expert in vitamin D. He offers suggestions on how to test and calculate your personal vitamin D needs. He also discusses any potential of getting too much vitamin D and what that might result in.

Originally published April 6, 2014 on GreenMedTV.

The research behind this episode

Open each topic on GreenMedInfo to read the study abstracts it draws on.

Research on Vitamin D
Sayer Ji
Sayer JiFounder of GreenMedInfo (2008), the open-access natural-health research database; author of Regenerate (Hay House, 2020) and Shadow Empire: The Epstein Files (Skyhorse, 2026); chair of the Global Wellness Forum; convener of Restore the First.
About Sayer Ji
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