Vitamins: แบบฝึกหัด

Which of the following vitamins is classified as a water-soluble vitamin?

Which of the following vitamins is classified as a fat-soluble vitamin and functions primarily as an antioxidant that protects body cells from oxidative damage?

Which of the following vitamins is classified as fat-soluble and is essential for maintaining healthy eyesight and skin?

Which of the following vitamins is classified as water-soluble and plays a vital role in releasing energy from carbohydrates and supporting normal nerve function?

Which of the following food groups is a primary source of Vitamin \( B_{12} \), which is necessary for the maintenance of a healthy nervous system and the formation of red blood cells?

Classify the following vitamins into fat-soluble and water-soluble groups: Vitamin A, Vitamin B₁₂, Vitamin C, and Vitamin D.

(a) Name one specific water-soluble vitamin required for the absorption of non-haem iron.
(b) State one dietary source of this vitamin.