Kombucha is a fermented tea beverage, its literally made using sweetened tea and a starter culture (called a SCOBY – Symbiotic Colony Of Bacteria and Yeast). Its a bit like kefir, except it forms a larger squishy solid mass that floats on top of the tea. And also like kefir, the origins and exact composition of kombucha are shrouded in mystery ( more info here ). My herbal tea collection because I forgot to take a photo of the kombucha As kombucha is made from tea and as I don’t tolerate caffeine (it makes me shaky and keeps me awake, even one cup of tea has this effect, that’s why I only drink herbal tisanes), I haven’t been too interested in trying to make it, but I keep hearing about it and I was curious about the taste and I wasn’t sure if it would contain caffeine or not. I bought a commercial kombucha drink from my local vegan store so I could try it out. I would recommend that you do this, just to make sure you like it, before you go to the trouble of trying ...