The relationship of adequate and excessive intake of vitamin D to health and disease.

The relationship of adequate and excessive intake of vitamin D to health and disease. Research Abstract Details 

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The relationship of adequate and excessive intake of vitamin D to health and disease. Abstract Text:

Vitamin D is required for intestinal calcium and phosphorus absorption, kidney functions, bone synthesis, and possible vital functions in several other target tissues. Active forms of vitamin D are generated by hydroxylations, first in the liver and second in the kidney. The requirement for vitamin D is normally met by its synthesis in the skin. Inadequate skin exposure to sunlight, dark-pigmented skin, and a northern geographical latitude make some individuals susceptible to a deficiency. In the United States, various foods are fortified with vitamin D to ensure that such deficiencies do not occur. As a result, most individuals consume and synthesize more vitamin D than they require. Vitamin D is a toxic compound, and excessive amounts can cause soft-tissue calcification. We have suggested a mechanism by which this calcification might occur. There is a narrow leeway between the amount required and that initiating tissue damage. As most individuals appear to be at risk of obtaining too much vitamin D rather than too little, we suggest that fortification of foods with vitamin D should be curtailed, preferably abolished, that excessive fortification of animal foods be reduced to the level required, and that the use of dietary supplements be restricted. Populations at risk could be monitored closely and counseled to prevent vitamin D deficiency.

The relationship of adequate and excessive intake of vitamin D to health and disease. Publishing Authors By Initials

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The relationship of adequate and excessive intake of vitamin D to health and disease. Journal Published:

PUBLICATION TYPE: Review

Journal: Journal of the American College of Nutrition

VOLUME: 2

Page Numbers: 173-99

Journal Abbreviation: J Am Coll Nutr

ISSN: 0731-5724

DAY: 23

MONTH: 06

YEAR: 1983

The relationship of adequate and excessive intake of vitamin D to health and disease. Information

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LANGUAGE: eng

NlmUniqueID: 8215879

The relationship of adequate and excessive intake of vitamin D to health and disease. Keywords Mesh Terms:

KEYWORDS: Vitamin D Deficiency

MESH TERMS: prevention & control

Chemical & Substance for Abstract: The relationship of adequate and excessive intake of vitamin D to health and disease. Information

Substance Name: 7-dehydrocholesterol

Registry Number: 434-16-2

Grant and Affiliation Information for The relationship of adequate and excessive intake of vitamin D to health and disease.

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Country: UNITED STATES

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MEDLINETA: J Am Coll Nutr

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