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Home > Important Vitamins > Question

Which vitamin is unique because it can be **synthesized in human skin by sunlight** exposure ___________?

0
A) Vitamin B12
B) Vitamin D
C) Vitamin K
D) Vitamin A

Correct Answer: B) Vitamin D

Reason: Vitamin D (specifically D3) is synthesized in the human skin by sunlight (UVB radiation). Related MCQs: It acts as a prohormone and is the only vitamin the body can produce itself.

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