Question : The vitamin that is most readily manufactured in our body is:
Option 1: Vitamin A
Option 2: Vitamin B
Option 3: Vitamin C
Option 4: Vitamin D
Correct Answer: Vitamin D
Solution : The correct option is Vitamin D.
Our skin produces Vitamin D when it is exposed to Ultraviolet B (UVB) sunlight. Vitamin D3 is produced specifically when UVB rays interact with a cholesterol derivative in the skin. This vitamin is then converted into its active form, calcitriol, in the liver and kidneys. Vitamin D is the vitamin that our body can most easily manufacture.
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