Which vitamin begins its synthesis in the skin when the skin is exposed to ultraviolet light?
A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin D
E) Vitamin E

Question

Quizplus · Accepted Answer

Vitamin D synthesis begins in the skin when it is exposed to sunlight, specifically ultraviolet B (UVB) light. This process converts 7-dehydrocholesterol to pre-vitamin D3, which then becomes vitamin D3.

Which Vitamin Begins Its Synthesis in the Skin When the Skin