that alpha-galactosidase enzymes , which can digest complex sugars, are effective in reducing the volume and frequency of flatus [5] . The enzymes alpha-galactosidase (brands Beano , Bean-zyme), lactase (brand Lactaid), amylase , lipase , protease , cellulase , glucoamylase , invertase , malt diastase , pectinase , and bromelain are