What are the effects of skin melanin on vitamin d absorption, How can dark skin lead to vitamin D deficiency? – WebMD, Vitamin D and Melanin | Healthfully, Why Black People Need A Vitamin D Supplement, 10/23/2011 · What are the Effects of Skin Melanin on Vitamin D Absorption?Melanin is the pigment that gives skin its color. Greater amounts of melanin result in darker skin.The high melanin content in darker skin reduces the skin’s ability to produce Vitamin D fromsunlight.The Root: How does exposure to sunlight produce vitamin D?Dr. Consuelo Hopkins Wilkins: Everybody has the ability to make vitamin D.
1/1/2015 · The majority of the experts in the field of vitamin D accept the assumption on the reverse correlation between the activity of the cutaneous pigmentary system and vitamin D production (1, 15, 18). We agree with this opinion, because the capability of melanin pigment to absorb UVB energy must attenuate the final dose of UVB energy reaching 7-dehydrocholesterol in basal and suprabasal layers.
4/19/2018 · This is because melanocytes (the cells that produce melanin) are also the body’s vitamin D production site. Put simply, the higher your skin’s eumelanin concentration, the longer it takes to absorb adequate amounts of vitamin D from the sun.
Melanin, the dark pigment in skin, competes with 7-DHC for the absorption of UV light and thus acts as a natural sunscreen, reducing the effectiveness of vitamin D production in skin. Therefore, individuals with dark-colored skin require more time (up to ten times as long) to synthesize the same amount of previtamin D 3 in skin as those with fair skin (12, 17) .
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