The Vitamin D Winter Starts Now Exposure of your skin to sunlight is the original source of vitamin D. But not any sunlight will trigger the vitamin D synthesis. There must be UVB rays present in the sunbeams hitting your skin. The UVB-waves are shorter than the UVA (The UVA contributes to your natural sun-protection […]
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Post tags: clouds, glass, latitude, layer, ozone, sunlight, uva, UVB, Vitamin D, winter in Categories: Vitamin-D
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