Fentimans offers botanical brewed sodas and mixers. Fentimans drinks are brewed for 7 days using the time-honored botanical brewing process. Botanical brewing is a time-honored technique of making superior quality beverages using a combination of infusion, skillful blending, and fermentation of natural ingredients. Thomas Fentimans time-honored approach hasn't changed much in over 100 years, with the knowledge and expertise being passed on from generation to generation of the Fentimans family. The result is an authentic drink that tastes simply delicious. To learn more about the process of botanical brewing please check out this video from Fentimans.
You can find more information on Fentimans, on their website.