Trends in vitamin D intake from food sources among adults in the Minneapolis-St Paul, MN, metropolitan area, 1980-1982 through 2007-2009.
Lisa J HarnackLyn SteffenXia ZhouRussell V Luepker
Published in: Journal of the American Dietetic Association (2011)
Results suggest that vitamin D intake from food sources has been on the decline during the past 25 years among men and women, potentially contributing to vitamin D insufficiency.