<P> Ingestion of certain active strains may help lactose - intolerant individuals tolerate more lactose than they would otherwise have tolerated . </P> <P> Several clinical studies provide evidence for the potential of probiotics to lower the risk of necrotizing enterocolitis and mortality in premature infants . One meta - analysis indicated that probiotics reduce these risks by more than 50% compared with controls . </P> <P> A 2017 review based on moderate to low - quality evidences suggests that probiotics may be helpful in relieving pain in the short term in children with recurrent abdominal pain, but the proper strain and dosage are not known . </P> <P> There is no good evidence that probiotics are of benefit in the management of infection or inflammation of the urinary tract . </P>

Where does the bacteria in probiotics come from