Table 1

Summary of evidence for CAM treatments for IBS

Peppermint oil2 meta-analyses of 5 and 4 RCTs13,14
ProbioticsMeta-analysis of 23 RCTs15
Soluble fibreMeta-analysis of 9 RCTs16
Tong xie yao fangMeta-analysis of 12 prospective trials17
Hypnotherapy1 Cochrane and 3 other systematic reviews1821
CBT5 RCTs (3 individual CBT and 2 group CBT)2226
  • CAM—complementary and alternative medicine, CBT—cognitive-behavioural therapy, IBS—irritable bowel syndrome, RCT—randomized controlled trial.