Consider a particular vitamin that is classified as water-soluble. Unlike most water-soluble vitamins, it is an exception because it can be stored in the human body (specifically in the liver). Furthermore, its primary dietary sources include meat, fish, egg, and curd. Identify this vitamin.

Step-by-step solution

Vitamins are classified into fat-soluble (A, D, E, K) and water-soluble (B group and C) vitamins. Water-soluble vitamins must be supplied regularly in the diet because they are readily excreted in urine and cannot be stored in our body. A notable exception is Vitamin B₁₂ , which is water-soluble but can be stored in the liver. The primary dietary sources of Vitamin B₁₂ are animal products and microorganisms, specifically meat, fish, egg, and curd. Vitamin C and Vitamin B₁ are water-soluble but cannot be stored in t