Q

What is vitamin D and how is it produced in the body?

From 5 years of verified research · Vassili Sandqvist
A

Vitamin D is technically a prohormone, not a vitamin. It is produced in the skin when UV-B radiation interacts with 7-dehydrocholesterol, leading to its conversion in the liver and kidneys into its active form, 1,25-dihydroxyvitamin D, which targets virtually every cell in the body via vitamin D receptors.

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