The report by Hyppönen and Power in this issue of the Journal (1) highlights a frustrating
and regrettable situation for nutrition researchers. In the early 1970s, the same serum 25-…

Background: The 2011 Dietary Reference Intakes (DRIs) for vitamin D use 25-hydroxyvitamin
D [25(OH)D] concentrations to define vitamin D deficiency (<30 nmol/L), the Estimated …

Most circulating 25-hydroxyvitamin D originates from exposure to sunlight; nevertheless,
many factors can impair this process, necessitating periodic reliance on dietary sources to …

Global high prevalence of vitamin D insufficiency and re-emergence of rickets and the
growing scientific evidence linking low circulating 25-hydroxyvitmain D to increased risk of …

Vitamin D is an essential nutrient for bone health and may influence the risks of respiratory
illness, adverse pregnancy outcomes, and chronic diseases of adulthood. Because many …

… Guest editors for the supplement publication were Susan J. Whiting, College of Pharmacy
and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, and Frances A. Tylavsky…

Flaxseed is the richest source of the lignan secoisolariciresinol diglucoside (SDG). After
ingestion, SDG is converted to secoisolariciresinol, which is further metabolised to the …

Methods We systematically searched the MEDLINE database, for the period 1996 to June
30, 2008, and the Cochrane Library using the terms “vitamin D,”“vitamin D deficiency,”“25-…

Vitamin D deficiency can lead to musculoskeletal diseases such as rickets and osteomalacia,
but vitamin D supplementation may also prevent extraskeletal diseases such as respiratory …

New Zealand children, particularly those of Māori and Pacific ethnicity, may be at risk for low
vitamin D status because of low vitamin D intakes, the country's latitude (35–46S), and skin …