Constipation. Early research shows that taking kefir helps increase the number of bowel movements in people with constipation. It also seems to soften stools.

Is kefir good or bad for constipation?

Many dairy products, including yogurt and kefir, contain microorganisms known as probiotics. Probiotics are often called “good” bacteria, and they may help to improve gut health and soften stools.

Will kefir make me poop?

Kefir is a fermented milk beverage that contains probiotics, a form of healthy gut bacteria that may help alleviate constipation. Probiotics have been shown to increase stool frequency, improve stool consistency, and help reduce intestinal transit time to speed bowel movements ( 31 ).