Which of the following nutrients is essential for the maintenance of epithelial barrier function in the small intestine?

A Vitamin A ✓
B Vitamin D
C Vitamin E
D Vitamin K

Explanation

Vitamin A is crucial for maintaining the integrity of epithelial cells and preventing bacterial translocation across the intestinal barrier.

Source

Nutrition: An Applied Approach
Metabolic and Nutritional Disorders Gastroenterology and Nutrition Nutrient Absorption and Gut Health Hard MEDICAL Confidence: high