Kefir soda is made from kefir grains, which are a symbiotic culture of bacteria and yeast (SCOBY), mixed with sugar water, while kombucha is made from a SCOBY combined with sweetened tea.

It may lower your risk of diabetes Since one of the few ingredients used to make kombucha is sugar, it's not a sugar-free drink. However, much of the sugar added is used in the fermentation ...