Which vitamin is essential for the normal functioning of the nervous system and is involved in the synthesis of myelin?

A Vitamin B12 ✓
B Vitamin B6
C Vitamin E
D Vitamin D

Explanation

Vitamin B12 plays a crucial role in the synthesis of myelin, the fatty substance that surrounds and protects nerve fibers, and is essential for the normal functioning of the nervous system.

Mnemonic

B12 = Brain 12 → essential for brain function

Source

National Institutes of Health
Vitamins Nutrition Vitamin B12 Medium MEDICAL Confidence: high