Table 2.

Summary of Randomized Controlled Trials of Probiotics in Patients With Irritable Bowel Syndrome

^aFermented milk containing B. animalis DN-173010 together with the 2 classical yoghurt starters (S. thermophilus and L. bulgaricus, 1.2 × 10⁹ CFU/pot); ^bSymbioflor-2 is an E. coli 17252 preparation, 1 mL containing 1.5 to 4.5 × 10⁷ CFU; ^cComposition for 100 mL: L. acidophilus 1.25 × 10⁶, L. helveticus 1.3 × 10⁹ and Bifidobacterium 4.95 × 10⁹.

IBS, irritable bowel syndrome; IBS-C, constipation-predominant IBS; IBS-D, diarrhea-predominant IBS.