Which of the following nutrients is essential for the maintenance of healthy gut-associated lymphoid tissue (GALT)?

A Vitamin A ✓
B Vitamin D
C Omega-3 fatty acids
D Zinc

Explanation

Vitamin A is crucial for the maintenance of healthy GALT, as it regulates the expression of genes involved in immune cell function and mucosal barrier integrity.

Source

Journal of Nutrition
Metabolic and Nutritional Disorders Nutrition and Immune Function Gut-Associated Lymphoid Tissue (GALT) Hard MEDICAL Confidence: medium