Nordic countries upping vitamin D to 400 IU daily (not enough)
New study: we're not getting enough vitamin D ScienceNordic
Had been 300 IU/day
In 2010 the average intake was < 150 IU/day
It is unlikely that recommendation will make much of a change
The study stopped looking at data after 2010 (suspect it is just following behind the US increase to 600 IU for bones in 2010)
See also Vitamin D Life
Veiled Somali pregnant women in Sweden had low vitamin D and were weak – Dec 2013
- 400 IU is not enough for whites, and is far too little for those with dark skins
20 ng is enough vitamin D for healthy Nordic Caucasians: 5th Nordic meta-analysis – Oct 2013
Dark skinned pregnant women far from equator were very vitamin D deficient – Sept 2012
People with no UV for 6 months in the winter need at least 2000 IU of vitamin D – April 2011