Effects of Probiotic Supplementation With Weight Reducing Plan in Patients With Food Addiction and Weight Regain After Bariatric Surgery

To study the effects of probiotic supplementation with a weight loss program and cognitive behavioral therapy (CBT) on anthropometric measures, eating behavior, food addiction, and related hormone levels in patients with food addiction and weight regain after bariatric surgery, 50 patients who referred to obesity clinic with weight regain (regaining ≥10% nadir weight) after bariatric surgery (at least 18 months), and food addiction will be randomly allocated to receive a weight loss program and CBT plus either probiotic, or placebo for 12 weeks. At the first and the end of the intervention, anthropometric measurements, eating behavior, food addiction, leptin, serotonin, and oxytocin will be assessed and compared between groups.