How Does Our Skin Turn Sunlight Into Vitamin D?

We know vitamin D is good for us and that we get it from the sun, but how exactly does our skin make it? Do Vitamins Really Improve Health?

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Look at that guy, he thinks he's plants! Howdy vitamen, vitawomen, and everyone in between, Trace here with some brain nutrition for DNews. Vitamin D is everywhere in our diets these days, sort of. You can get it in cereal, milk, orange juices and other fortified foods, as well as in fatty fish, egg yolks and a few other places. But, mostly, vitamin D comes from YOU. From your skin. You MAKE it. Vitamin D is actually a group of five fat-soluble molecules, and in it's main animal version, Vitamin D3, it promotes absorption of calcium for our bones. Without vitamin D, adults can experience osteomalacia -- pain and weakness, and children can develop rickets: a softening of the bone's growth plates which can lead to bowed legs. Bottom line, D3 is real important. But let's get back to this skin thi...
How Does Our Skin Turn Sunlight Into Vitamin D?
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