Fig. 5From: Influence of low FODMAP-gluten free diet on gut microbiota alterations and symptom severity in Iranian patients with irritable bowel syndromeViolin plots showing the Firmicutes to Bacteroidetes (F/B) ratio before and after LF-GFD in IBS patients. This ratio was significantly (P = 0.001) decreased after the dietary intervention compared with baseline. Mean values of the F/B ratio are marked as the red rhombusBack to article page