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[B] The following conclusions are supported by fair evidence:
Evidence from two systematic reviews and meta-analyses suggests that adults with IBS who consume 560-900 mg or 0.6 mL of peppermint oil in divided doses throughout the day or 187-225 mg of peppermint oil taken three times per day for two to 12 weeks may experience a moderate reduction in global IBS symptoms and abdominal pain or discomfort related to IBS. One of the systematic reviews found that adverse effects were significantly