Web icon An illustration of a computer application window Wayback Machine Texts icon An illustration of an open book. Books Video icon An illustration of two cells of a film strip. Video Audio icon An illustration of an audio speaker. Audio Software icon An illustration of a 3. Software Images icon An illustration of two photographs. Vitamin D helps your body regulate calcium and phosphate, which helps keep bones, teeth and muscles in check, according to the United Kingdom National Health Service NHS.
Your bones tend to be weaker and more prone to fractures then. So, how do you avoid this? Vitamin D is created when your skin is exposed to the sun, with the help of the kidneys and liver too, in order for it to be used by your body. However, skin tone also has an effect on absorption. Melanin is a natural pigment in the skin that makes it look darker, so darker skin tones have more melanin.
Though melanin also acts as a defense to UV radiation and high temperatures. As a result, dark-skinned people tend to require more UVB exposure than light-skinned people to generate the same amount of vitamin D. Now, you might be wondering why you mom badgered you to put on sunscreen so much as a kid.
You should also know vitamin D comes in two forms. Chole-calciferol, the form of vitamin D that comes from the sun acting on your skin, is also called vitamin D3.
This is also the form you get from foods that come from animals. Ergocalciferol, a form of vitamin D contained in many supplements and which is also found in some plants like irradiated mushrooms, is also called vitamin D2. Products and services.
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Show references Vitamin D: Fact sheet for health professionals. Office of Dietary Supplements. Accessed Dec. Vitamin D: Fact sheet for consumers. Natural Medicines. Vitamin D deficiency. Mayo Clinic; IBM Microdemex.
Gold J, et al. The role of vitamin D in cognitive disorders in older adults. US Neurology. Sultan S, et al.
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