Abstract The 4th International Conference on Controversies in Vitamin D was held as a
virtual meeting in September, 2020, gathering together leading international scientific and …

COVID-SARS-2 pandemic has struck and spread at light speed, reaching 6 continents within
3 months, transforming our societies globally [1]. In b6 months, numbers rose exponentially …

Vitamin D deficiency is very common and prescriptions of both assay and supplementation
are increasing more and more. Health expenditure is exponentially increasing, thus it is …

Research carried out during the past two-decades extended the understanding of actions of
vitamin D, from regulating calcium and phosphate absorption and bone metabolism to many …

Vitamin D deficiency has been identified as a common metabolic/endocrine abnormality.
Despite known dietary sources of vitamin D and the role of sunlight in its production, much of …

Context: There is no doubt that vitamin D must be activated to the hormonal form 1, 25-
dihydroxyvitamin D to achieve full biological activity or that many tissues participate in this …

Vitamin D is known not only for its importance for bone health but also for its biologic
activities on many other organ systems. This is due to the presence of the vitamin D receptor …

The use of vitamin D supplements to prevent and treat a wide range of illnesses has
increased substantially over the last decade. Epidemiologic evidence links vitamin D …

Objective This work aims to review and discuss controversial topics in the field of vitamin D,
SARS-CoV-2 infection, and COVID-19. Methods The International Conferences …

While many are all familiar with the important role of vitamin D in calcium absorption and
bone metabolism, many doctors and patients are not aware of the recent research on …