There is evidence to support kefir's benefits[1], but that doesn't prove it's healthier than yogurt. The primary difference between the two by my standards is t

There is evidence to support kefir's benefits[1], but that doesn't prove it's healthier than yogurt. The primary difference between the two by my standards is that kefir cultures are both bacteria and yeasts, and yogurt cultures are typically only bacteria. There are certainly some yeasts that have been shown to be good for the digestive tract[2], but there are certainly others that are not[3]. 1: https://www.bbcgoodfood.com/howto/guide/health-benefits-kefir https://www.bbcgoodfood.com/howto/guide/health-benefits-kefi... 2: https://en.wikipedia.org/wiki/Saccharomyces_boulardii https://en.wikipedia.org/wiki/Saccharomyces_boulardii 3: https://en.wikipedia.org/wiki/Candidiasis https://en.wikipedia.org/wiki/Candidiasis