The bacteria that live inside our digestive tract undoubtedly play a vital part in our health. But buyer beware of companies that claim to have deciphered the gut microbiome. Research out today shows that no two at-home tests will tell you the same thing.
Government scientists sent standardized fecal samples to seven different gut health testing companies. The companies returned results that varied from one another, sometimes dramatically, while one company’s tests couldn’t conclusively decide if the same samples belonged to a healthy microbiome or not. The findings indicate that customers shouldn’t put too much stock in these tests, at least right now, the researchers say.
“Our results demonstrate the need for standards to ensure analytical validity and consumer confidence,” the authors wrote in their paper, published Thursday in Communications Biology.
Not quite there yet
Exciting as the field of gut health is, it’s very much in its infancy. We’re still not quite sure exactly what makes for a healthy mix of bacteria in our guts, much less how to reliably fix an unhealthy microbiome (it’s likely there are many different combinations of bacteria that could be “healthy”). And we’re still trying to untangle the complex interactions between our gut bacteria and various health conditions.
This uncertainty hasn’t stopped several companies from entering the direct-to-consumer industry, however. While some may be cautious in their advertising, others have claimed their tests can tell whether a person’s microbiome is healthy, and they might even sell products that will supposedly restore a dysfunctional one. Many scientists have already called for tighter regulation of these tests. Researchers at the National Institute of Standards and Technology, a division of the U.S. Department of Commerce, and others sought to gauge the reliability of these tests across different companies.
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Source: Same Poop, Different Results: At-Home Gut Health Tests Are Wildly Inconsistent, Study Finds
Robin Edgar
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