Importance Vitamin D and calcium supplements are recommended for the prevention of
fracture, but previous randomized clinical trials (RCTs) have reported conflicting results, with …

In recent years it has been shown that vitamin D deficiency is associated with an increased
incidence as well as the progression of a broad range of diseases including osteoporosis …

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 …

Context: The epidemiology of primary hyperparathyroidism (PHPT) has generally been
studied in Caucasian populations. Objective: The aim was to examine the incidence and …

Background Response of parathyroid hormone (PTH) to vitamin D supplementation is
determined by the baseline PTH level and change in vitamin D status. Conflicting reports in …

Aging affects the formation of 1, 25-dihydroxyvitamin D (1, 25 [OH] 2D; calcitriol), the active
form of vitamin D. Production of 1, 25 (OH) 2D is reduced by 50% as a result of an age …

Recent research activities have provided new insights in vitamin D metabolism in various
conditions. Furthermore, substantial progress has been made in the analysis of vitamin D …

Background Adults with low concentrations of 25-hydroxyvitamin D (25 [OH] D) in blood
have an increased risk of falls and fractures, but randomised trials of vitamin D …

Objective: The aim was to provide a scholarly review of the published literature on
biological, clinical, and nonclinical contributors to race/ethnic and sex disparities in …

Following a request from the European Commission, the EFSA Panel on Dietetic Products,
Nutrition and Allergies (NDA) derived dietary reference values (DRV s) for vitamin D. The …