Vitamin D: key data sources

Hyppönen E, Power C. Hypovitaminosis D in British adults at age 45 y: nationwide cohort study of dietary and lifestyle predictors. American Journal of Clinical Nutrition 2007;85(3):860-868.

Purdon G, Comrie F, Rutherford L, Marcinkiewicz A. Vitamin D status of Scottish adults: Results from the 2010 & 2011 Scottish Health Surveys. Edinburgh: Food Standards Agency in Scotland and Scotcen, 2013.

Zgaga L, Theodoratou E, Farrington SM, et al. Diet, environmental factors, and lifestyle underlie the high prevalence of vitamin D deficiency in healthy adults in Scotland, and supplementation reduces the proportion that are severely deficient. Journal of Nutrition 2011;141(8):1535-1542.