If you want to brew a batch at home, a key ingredient you'll need is a SCOBY, or "symbiotic culture of bacteria and yeast." Funny name aside, this jelly-like disc is a living mixture that'll turn ...

Suzanne Dale on probiotic scoby drinks and other fermented foods that do good things for your digestion. Making your own scoby drinks is a satisfying thing to do and the effervescent brews are ...