etables (e.g., carrots, sweet potatoes, pumpkin, squash, kale, spinach, broccoli), orange fruits (e.g., apricots, peaches, papaya, mango, cantaloupe melon), tomato juice Normal differentiation of epithelial tissue; retinoic acid ↑ T and B cells with gut-homing specificity and array T cells and IgA + cells into intestinal tissues
Supporting the gut barrier; carotenoids; ↑immunoregulatory actions including ↓ toxic effects of ROS and regulatin