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Sources of vitamin D for humans.

International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 2021
Both vitamin D insufficiency and deficiency are now well-documented worldwide in relation to human health, and this has raised interest in vitamin D research. The aim of this article is therefore to review the literature on sources of vitamin D.
E. Benedik
semanticscholar   +1 more source

Vitamin D deficiency.

New England Journal of Medicine, 2007
Once foods in the United States were fortified with vitamin D, rickets appeared to have been conquered, and many considered major health problems from vitamin D deficiency resolved. But vitamin D deficiency is common.
M. Holick
semanticscholar   +1 more source

Vitamin D deficiency aggravates COVID-19: systematic review and meta-analysis

Critical reviews in food science and nutrition, 2020
There is still limited evidence regarding the influence of vitamin D in people with COVID-19. In this systematic review and meta-analysis, we analyze the association between vitamin D deficiency and COVID-19 severity, via an analysis of the prevalence of
M. Pereira   +4 more
semanticscholar   +1 more source

Vitamin D and Vitamin D Dependency

2015
Administration of large doses of vitamin D2 brought about a marked increase of 25-hydroxyvitamin D in both the patients with vitamin D dependency and hypophosphatemic vitamin D-resistant rickets. During the administration of vitamin D2, increment of 1,25-dihydroxyvitamin D was marked in hypophosphatemic vitamin D-resistant rickets, but far smaller in ...
Yutaka Tsuchiya   +7 more
openaire   +3 more sources

Vitamin D

The International Journal of Biochemistry & Cell Biology, 2009
The primary source of vitamin D is the skin, following exposure to ultraviolet radiation. Vitamin D is well known for its effects on stimulating calcium absorption and is thus essential for maintenance of normal bone. It is also important for muscle function and has more recently been implicated in protection against several diseases including diabetes.
Katie M, Dixon, Rebecca S, Mason
openaire   +2 more sources

VITAMIN D METABOLISM

Clinical Endocrinology, 1974
SUMMARYDuring the past decade, an explosion of information has become avdable on the metabolism and function of vitamin D whch is of great importance to clinicians in the treatment of metabolic bone disease. We have learned that vitamin D is the precursor of at least one hormone and that ths hormone carries out functions in calcium and phosphorus ...
M F, Holick, H F, DeLuca
openaire   +4 more sources

Vitamin D

New England Journal of Medicine, 1969
A history of vitamin D has been provided, dating from the earliest description of rickets, the disease resulting from vitamin D deficiency, to a current understanding of vitamin D metabolism and the mechanism of action of its hormonal form in regulating gene expression in target organs.
openaire   +5 more sources

Dietary Reference Intakes for Calcium and Vitamin D

Pediatric Clinical Practice Guidelines & Policies, 2016
Calcium and vitamin D are two essential nutrients long known for their role in bone health. Over the last ten years, the public has heard conflicting messages about other benefits of these nutrients—especially vitamin D—and also about how much calcium ...
A. Ross   +3 more
semanticscholar   +1 more source

Vitamin D and Sleep Regulation: Is there a Role for Vitamin D?

Current Pharmaceutical Design, 2020
Background: Vitamin D exerts multiple pleiotropic effects beyond its role in calcium-phosphate metabolism. Growing evidence suggests an association between hypovitaminosis D and sleep disorders, thus increasing the interest in the role of this vitamin in the regulatory mechanisms of the sleep-wake cycle.
Fiammetta Romano   +7 more
openaire   +4 more sources

Vitamin D and Diabetes

Endocrinology and Metabolism Clinics of North America, 2010
There is no doubt that vitamin D deficiency is the cause of several metabolic bone diseases, but vitamin D status is also linked to many major human diseases including immune disorders. Mounting data strengthen the link between vitamin D and diabetes, in particular T1D and T2D.
Takiishi, Tatiana   +3 more
openaire   +5 more sources

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