Probiotics may have some benefits
29 November 2010, 11:36
Chicago - A leading medical group says there is some evidence that probiotics, or "good" bacteria, may have limited benefits for certain illnesses in children.
But the group says the science isn't yet strong enough to advocate infant formulas containing probiotics. And probiotics shouldn't be given to children who are seriously ill.
That's according to a new American Academy of Pediatrics report published on Monday in the journal, Pediatrics.
About 500 different bacteria live naturally in a healthy human's intestinal tract, and there's a growing understanding of the role they play in health. For years, companies have been making claims that their probiotic pills, yogurts, milks and juices help digestive health and the immune system.
The new report summarises findings from high-quality scientific studies on some of the active ingredients in the products. The report says probiotics taken early during diarrhoea from a viral infection may shorten the illness in otherwise healthy children.
And probiotics also may prevent diarrhoea in children who are taking antibiotics, which can sometimes cause the condition.
On the other hand, more evidence is needed before AAP can recommend probiotics for constipation, irritable bowel syndrome or Crohn disease. And there's not enough evidence for recommending probiotics in pregnant women or infants to prevent eczema or asthma.
Future research may find more benefits, the report says. And "prebiotics", which contain fibre and other nutrients that feed probiotic bacteria, also may someday prove helpful.
One warning: Children with compromised immune systems or who use intravenous catheters should not receive probiotics because serious infections have been reported. The bacteria in the products are only helpful if they're alive, which isn't always the case.
"Consumers should keep in mind that a large percentage of organisms in a probiotic supplement may die before the product is even purchased and labels can be misleading or incorrect," said Dr Tod Cooperman, president of ConsumerLab.com, which tests products and reports on their quality.
The company tested probiotic supplements in 2009. Two children's probiotics contained only 7% and 21% of the listed amounts. Cooperman suggested that products be stored in sealed containers out of heat, light and humidity. He said it's best to refrigerate them.