Dr. John Campbell

Vitamin D insufficiency pandemic


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Professor David Anderson. Early vitamin D research doctor.
Vitamin D and other topics, a fascinating wide ranging discussion with retired Consultant Physician and Professor of Endocrinology David Anderson. Download a free copy of VITAMIN D3 and the Great Biology Reset, by Professor David Anderson and Dr David Grimes.
https://dgreatbiologyreset.com/#download

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Dr. John CampbellBy Campbellteaching