Abstract The 6th International Conference,“Controversies in Vitamin D,” was convened to
discuss controversial topics, such as vitamin D metabolism, assessment, actions, and …

Vitamin D, referring to the two forms, D2 from the diet and D3 primarily derived from
phototransformation in the skin, is a prohormone important in human health. The most …

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 …

The vitamin D receptor is highly expressed in the gastrointestinal tract where it transacts
gene expression. With current limited understanding of the interactions between the gut …

Vitamin D deficiency and insufficiency has become a pandemic health problem with a
consequent increase of requests for determining circulating levels of 25-hydroxyvitamin D …

Liquid Chromatography: Applications, Second Edition, is a single source of authoritative
information on all aspects of the practice of modern liquid chromatography. It gives those …

One hundred years ago, the role of vitamin D for bone mineralization and the prevention of
rickets was discovered. Vitamin D comprises a group of over 50 metabolites with multiple …

Background Determining serum 25-hydroxyvitamin D [25 (OH) D], 24, 25-dihydroxyvitamin D
[24, 25 (OH) 2D] and the vitamin D metabolite ratio (VMR) allows the identification of …

Introduction This study investigated the relationship between serum 25-hydroxyvitamin D
(25OHD) levels and the occurrence of hip fractures in the elderly using a systematic review …

Bariatric or weight‐loss surgery is a popular option for weight reduction. Depending on the
surgical procedure, gastric changes like decreased transit time and volume and increased …