Vitamin D is involved in calcium and phosphorus metabolism, and is vital for numerous
bodily functions. In the absence of sufficient UV-B light-induced skin biosynthesis, dietary …

Aim: Vitamin D (VitD) is involved in calcium and phosphate homeostasis, bone health, and
normal functioning of the immune system. VitD status is monitored using serum 25-hydroxy …

An adequate vitamin D status is essential during childhood and adolescence, for its
important role in cell growth, skeletal structure and development. It also reduces the risk of …

Vitamin D is an important pro-hormone that can be synthesized by skin exposed to sunlight
(UVB) or ingested with food. However, low outdoor activity, sun protection and low vitamin D …

Background Very few studies have investigated the determinants of circulating 25-
hydroxyvitamin D (25 [OH] D) in young adults (18–25 years old) using a set of variables that …

BACKGROUND AND AIMS: Danish legislation regarding food fortification has been very
restrictive and vitamin D deficiency is thought to be common in Denmark due to inadequate …

Even in developed countries the prevalence of subjects with suboptimal vitamin D levels is
high. The aim of this retrospective data analysis was to evaluate the prevalence of severe …

Background: There is concern about a reemergence of vitamin D deficiency in children in
developed countries. Objectives: The aims of this study were to describe vitamin D status in …

Summary Background & aims Serum 25 (OH) D deficiency is becoming an epidemic. The
aim was to assess vitamin D status of the adult Greek population in relation to intake, sun …

Several studies conducted around the world showed substantial vitamin D insufficiency and
deficiency among different population groups. Sources of vitamin D in the human body …