Kefir provides the nutrients of the type of dairy used, along with more than 50 species of probiotic bacteria and yeasts, including:
According to the journal Nutrients, “Kefir exhibits many health benefits owing to its antimicrobial, anticancer, gastrointestinal tract effects, gut microbiota modulation and anti-diabetic effects.”
For more information: https://www.healthline.com/nutrition/9-health-benefits-of-kefir