08 Feb 2016 Blackmores Institute Milk vitamin supplements and exercise raise childrens vitamin d levels 08 Feb 2016 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Sufficient intake of fortified dairy products is of significant importance for the serum vitamin D level in primary school children, shows a new study from the University of Eastern Finland. The use of vitamin D supplements was also associated with a higher serum vitamin D level. × To continue reading this article, please Log In or Sign Up for access.