Multiple choice

Which of the following vitamins is mainly synthesised in the skin?

  1. Vitamin B3

  2. Vitamin D

  3. Vitamin K

  4. Vitamin C

  5. NA

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Very few foods contain vitamin D. Synthesis of vitamin D takes place in the skin. Vitamin D produced from sunlight is biologically inactive. Its activation occurs in liver and kidney. Hence, it is the correct answer.