here have been mixed results reported following implementation of these fiber additions. Formulae sup- plemented with partially hydrolyzed guar gum may be associated with reduction in the incidence of diarrhea compared with standard, fiber-free feeds in both general wards and intensive care settings.24,25 Conversely, supple-mentation with inulins or FOS have led to an increase in flatulence and in stool frequency from 6 up to 25 times per week with a tendency toward loose, liquid stools.2