Question #189444

Vitamin D3 is derived from cholesterol. How and in which tissues does conversion occur?


Expert's answer

Vitamin D3 is produced in the epidermis; during exposure to sunlight, the Ultraviolet rays penetrate to the epidermis and photolyzes provitamin D3 to previtamin D3 which isomerize to vitamin D3


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Guyana #340795 on Jan 2024