Brew Dr. Superberry. Approachable to first-time kombucha drinkers, this flavor balances the subtle sweetness of kombucha with the tart flavors of various berries. Ingredients: Filtered Water, Organic Oolong Tea, Organic Cane Sugar, Organic Currants, Organic Elderberry, Organic Hibiscus, Organic Rose Hips, Live Probiotic Culture. Kombucha on Tap.