Water kefir is a probiotic beverage that may have various health benefits, including improved immunity and protection against certain types of cancer. You can easily make this at home from sugar water ...

Kefir is a type of fermented milk that may help manage blood sugar, lower cholesterol, and boost digestive health, among other benefits. However, more evidence is needed to back some of these claims.

Kefir, pronounced kee-feer, is a drink made from the fermented milk from a cow, goat, or sheep. Water kefir is similar but has a water base instead of milk. Kefir grains have yeast and good bacteria.