Which of the following vitamins is fat-soluble?

• A. Vitamin A
• B. Vitamin Bextsubscript{12}
• C. Vitamin C
• D. Vitamin Bextsubscript{6}

Answer: (A)

Verified step by step guidance

1. Understand the classification of vitamins: Vitamins are categorized into two groups based on their solubility—fat-soluble and water-soluble. Fat-soluble vitamins include A, D, E, and K, while water-soluble vitamins include the B-complex group and Vitamin C.
2. Analyze the options provided: The options include Vitamin A, Vitamin B₁₂, Vitamin C, and Vitamin B₆. Identify which of these belong to the fat-soluble category.
3. Recall that Vitamin A is a fat-soluble vitamin. It is stored in the liver and requires dietary fats for absorption.
4. Recognize that Vitamin B₁₂, Vitamin C, and Vitamin B₆ are water-soluble vitamins. These are not stored in the body to a significant extent and are excreted in urine if consumed in excess.
5. Conclude that the correct answer is Vitamin A, as it is the only fat-soluble vitamin among the options provided.