VDC test kit slider
VDC-Banner-new_468
VDC test kit slider
sunfriend-banner
sperti-banner

About John Cannell, MD

Dr. John Cannell is founder of the Vitamin D Council. He has written many peer-reviewed papers on vitamin D and speaks frequently across the United States on the subject. Dr. Cannell holds an M.D. and has served the medical field as a general practitioner, emergency physician, and psychiatrist.

Author Archives: John Cannell, MD

We need your help!

We're spreading awareness on Vitamin D Deficiency
Donate NOW
Latest Articles
img
Vitamin D deficiency linked to poor sleep quality and night-time eating during pregnancy

A new study discovered that vitamin D deficiency is associated with poor sleep quality and night-time eating during mid-pregnancy in Singapore.

Weekly Newsletter