Clear your mind with this refreshingly real blend of rosemary, mint, sage and green tea. Brew Dr. Kombucha is a tasty, fizzy probiotic tea thatâs slightly sweet, slightly tart, and easy-drinking. Itâs made with organic ingredients, is gut friendly, and contains no artificial sweeteners â only the good stuff. Itâs a great alternative to soda. Brew Dr. Kombucha - Bringing the magic of kombucha to all, without compromise.