A purported health elixir for thousands of years and, still, so many kombucha tea drinks taste way too 'shroomy to be considered yummy. Fortunately, the kombucha from the Rejuvenation Company tastes more like alcoholic apple cider than fungus. The family-owned probiotic beverage business is based in Emeryville and sold locally at stores like Other Avenues (3930 Judah).