Question

or which vitamin liver is not the source?
A: Vitamin –$ B_1$
B: Vitamin – $B_2$
C: Vitamin –$ B_{12}$
D: Vitamin - H

Answer 1

Hint: Vitamins and minerals are considered to be the essential nutrients as they carry out hundreds of functions in the body. Vitamins act as catalysts in several chemical reactions. They are responsible to convert food into energy, and also repair cellular damage. The liver serves as a storage site for few vitamins, minerals and also glucose.

Complete step by step answer:
Let us discuss each vitamin briefly stated in question.
Option A: Vitamin $ B_1$– or thiamine is a water-soluble vitamin which is found naturally in some foods or sometimes added to foods or sold as a supplement. Vitamin – B1 plays a significant role in the growth as well as functioning of various cells. This vitamin is not stored in the liver.
Option B: Vitamin$B_2$ – or riboflavin plays a significant role in metabolic activity. The majority of its concentration occurs in the liver, heart and kidneys.
Option C: Vitamin$ B_{12}$ – or cobalamin is a water-soluble vitamin which plays a significant role in the metabolism of each cell of the human body. Around 50% of this vitamin is stored in the liver.
Option D: Vitamin – H or biotin is a water-soluble vitamin which plays a significant role in metabolic processes, mainly related to the utilization of amino acids, fats and carbohydrates. Majority of biotin is also stored in the liver.

Hence, the correct answer is Option A i.e. For Vitamin – $B_1$, liver is not the source.

Note:
The bile secreted during the digestion is important for absorbing vitamins so that the body can utilise them. If bile production is affected due to liver damage, then proper absorption of vitamins could be affected.