Average, self-reported, gastrointestinal (GI) symptom scores for abdominal pain, bloating and flatulence recorded as none (0), mild (1), moderate (2) or severe (3) over the 12-week intervention period for the placebo and <i>Lactobacillus plantarum</i> ECGC 13110402) treatment groups.

Stool consistency was scored according to the Bristol stool chart.