Multiple choice general knowledge science & technology

Retinol is the purest and most active form of:

  1. Vitamin D

  2. Vitamin A

  3. Vitamin B

  4. Vitamin K
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Retinol is a form of vitamin A that is readily used by the body. It is considered one of the most active and bioavailable forms of vitamin A. Vitamin D, B, and K are completely different vitamins with distinct functions.

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