120 Some experimental studies from Korea showed a trend towards amelioration of bloating, but failed to prove beneficial effect over placebo. 121 , 122 In addition, several other studies using lactobacillus strains reported unfavorable effect on bloating in IBS ( Table 3 ). 41 , 123 , 124 Most of the studies were relatively small and there have been inconsistent results regarding the efficacy of probiotics on bloating.
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