Vitamin D supplementation can prevent and cure nutritional rickets in infants and children.
Preclinical and observational data suggest that the vitamin D endocrine system has a wide …

Ever since its discovery by Windhaus, the importance of the active metabolite of vitamin D (1,
25-dihydroxyvitamin D3; 1, 25-(OH) 2D3) has been ever expanding. In this review, the …

Vitamin D deficiency has a high worldwide prevalence, but actions to improve this public
health problem are challenged by the heterogeneity of nutritional and clinical vitamin D …

The etiology of endemic rickets was discovered a century ago. Vitamin D is the precursor of
25-hydroxyvitamin D and other metabolites, including 1, 25 (OH) 2D, the ligand for the …

The principal source of vitamin D in humans is its biosynthesis in the skin through a
chemical reaction dependent on sun exposure. In lesser amounts, the vitamin can be …

Background Observational studies suggest that the risk and clinical prognosis of coronavirus
disease 2019 (COVID-19) are related to low vitamin D status; however, the data are …

Abstract The 2 nd International Conference on Controversies in Vitamin D was held in
Monteriggioni (Siena), Italy, September 11-14, 2018. The aim of this meeting was to address …

Vitamin D intervenes in calcium and phosphate metabolism and bone homeostasis.
Experimental studies have shown that 1, 25-dihydroxyvitamin D (calcitriol) generates …

Vitamin D deficiency (serum 25-hydroxyvitamin D (25 (OH) D)< 50 nmol/L or 20 ng/mL) is
common in Europe and the Middle East. It occurs in< 20% of the population in Northern …

Background Vitamin D deficiency has been considered a global health issue in recent years.
However, there is still no study estimating the global and regional prevalence of vitamin D …