We’ll be the first to admit we’ve gone a little cuckoo for kombucha. But as much as we love the fermented drink, we may need to rein in our enthusiasm for it—and similar gut-friendly goodies. As this video from The Atlantic points out, there's not enough scientific evidence to actually support the probiotic craze. What we do know is this: A high-fiber, minimally processed diet is your best bet for a healthy gut. Bacteria thrive on the fiber found in whole foods, and fiber transforms into short-chain fatty acids, which help regulate the immune and digestive systems.

So go ahead and keep sippin’ small-batch kombucha if you like the taste, but you may want to hold off on probiotic pills until researchers find a kind that improves gut health in scientific studies.

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