Impact of Immunonutrition Supplementation Combining Fermentable Fiber, Omega-3 Fatty Acids, Vitamin D, Vitamin E, and Zinc on Intestinal Inflammation, Gut Microbial Activity, and Severity of Symptoms in Ulcerative Colitis Patients Impact of Immunonutrition Supplementation Combining Fermentable Fiber, Omega-3 Fatty Acids, Vitamin ...