What would be the effect of tanning (browning of skin due to sun exposure) on one's Vitamin D production? Would there be effects on toxicity and/or deficiency levels?
Added by Brandon W.
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UV radiation is necessary for the synthesis of vitamin D in the skin. When the skin is exposed to sunlight, it produces vitamin D from a precursor molecule called 7-dehydrocholesterol. As the skin becomes tanned, the increased melanin content can reduce the Show more…
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