Which of the following is also known as cobalamin?

Correct option is A

Vitamin B12, also known as cobalamin, is a water-soluble vitamin essential for red blood cell formation, DNA synthesis, and neurological function. It is primarily found in animal-based foods and fortified products.

Key points:
● Vitamin B12 is unique among vitamins for containing cobalt, hence the name "cobalamin."
● Deficiency can lead to anemia, fatigue, and neurological disorders.
● Major dietary sources include meat, fish, eggs, and dairy products.
● Vegetarians and vegans are at higher risk of B12 deficiency and may require supplements.
● Vitamin B12 is crucial for the maintenance of healthy nerve cells.
● It works closely with folic acid (Vitamin B9) for DNA synthesis and repair.

Additional Information:

• Vitamin B5 is pantothenic acid.
• Vitamin B7 is biotin.
• Vitamin B9 is folic acid.