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previtamin

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previtamin.


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Vitamin D effective daily dose is the daily dose of UVR wavelengths relevant to the conversion of 7-dehydrocholesterol into previtamin D in the skin, based on the vitamin D action spectrum (MacLaughlin et al.
842, 1999, How the Body Makes Vitamin D In the skin, sunlight converts a precursor of vitamin D to previtamin [D.
This ultraviolet radiation is absorbed by 7-dehydrocholesterol in the skin, which results in its transformation into previtamin [D.
 
 
 
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