Neither doctor has seen one case of hypercalcemia from taking too much vitamin D.

Dr. Grimes says hypercalcemia would require a dose of 100,000 iu/day.

Both say hospitals should be prescribing fast acting D, calcifidiol for sick patients, to get D levels up fast. UK doesn’t even make calcifidiol available to any patients for anything, which is “criminal.”

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Consultant Physician, medical researcher and author, Dr David Grimes conducted much original research on the essential to life Vitamin D. Buy his inexpensive latest book here.…

2 minor corrections – 150nmol/L = 60ng/mL (not 80ng/mL as stated and at 2min 27secs)

57min 11 secs Calcifidiol appears in the BNF here:… and medicinal form here…