Which of the following is NOT a fat-soluble vitamin?

• A. Vitamin D
• B. Vitamin A
• C. Vitamin E
• D. Vitamin C

Answer: (D)

Verified step by step guidance

1. Understand that vitamins are classified into two main groups based on their solubility: fat-soluble and water-soluble vitamins.
2. Recall that fat-soluble vitamins include Vitamins A, D, E, and K, which dissolve in fats and oils and are stored in the body's fatty tissues.
3. Recognize that Vitamin C is a water-soluble vitamin, meaning it dissolves in water and is not stored in large amounts in the body.
4. Compare the options given: Vitamin D, Vitamin A, and Vitamin E are all fat-soluble, while Vitamin C is not.
5. Conclude that the vitamin which is NOT fat-soluble among the options is Vitamin C.