Okie Skies & Fireflies Elderzest Kombucha is a refreshing and slightly carbonated drink containing probiotics and the good bacteria your gut needs in order to function at its best. Many have reported relief from bloating - while others experience cognitive benefits as it does contain naturally occurring caffeine and small traces of alcohol. Elderzest Kombucha is filled with filled with black tea, green tea, raw cane sugar, ground ginger root, lemon zest, dried elderberry and local raw honey. It is as delicious as it is good for you!