Concerns have been raised about higher dose supplements of vitamin D after a Canadian study found users had lower bone mineral density (BMD) than people who took standard 400 IU daily doses. A double-blind, randomised clinical trial conducted at a single Canadian centre compared the effects of daily doses of 400 IU, 4000 IU and ...
Bone outcomes no better with higher doses of vitamin D
By Michael Woodhead
3 Sep 2019