Complex sentence: Two randomized controlled trials show reduction in gas by subjects taking oral alpha-galactosidase (PMID 17151807 and PMID 7964541); however, alpha-galactosidase may interfere with the diabetic medication acarbose (PMID 9663365).
Split into simpler sentences: Two randomized controlled trials show reduction in gas by subjects taking oral alpha galactosidase (PMID 17151807 and PMID 7964541). Another study indicates alpha galactosidase may interfere with the diabetic medication acarbose (PMID 9663365).