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What to know about kefir, one of the original gut-friendly foods

This fermented dairy drink can boost your digestive system and your health

By
March 20, 2023 at 2:00 p.m. EDT
Kefir is made from cow or goat milk and live cultures called “kefir grains,” which are composed of bacteria and yeast. (Stevica Mrdja/Getty Images)

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For several years now, foods that are said to promote gut health have been wildly popular. You see probiotic-enhanced almonds, apricots, chocolate, fruit juice, snack bars, soft drinks and more on store shelves. But if you really want to do something for your digestive system — and your overall health — try one of the original gut-friendly foods: kefir.