I went with the brand GT's Kombucha (since that was the one my friend was drinking) and bought Gingerade, Lemonade, Gingerberry, and Original. "The yeasty flavor started to gross me out a little ...

Although Synergy offers several fresh, bold flavors like Mystic Mango and Guava Goddess, one flavor was a let-down, leading it to fall dead last in the ranking.