A small, unassuming succulent from South Africa is quietly doing a lot of heavy lifting in the alcohol-alternative aisle. Kanna doesn’t look like much — it’s a low, ground-hugging plant with tiny yellow flowers — but it’s become one of the most sought-after ingredients in the new wave of functional drinks. If you’ve ever wondered how a plant most people have never heard of ends up dissolved into your favorite can, here’s the short version of how kanna gets from the ground to the fridge.
From Harvest to Formula
Kanna starts its journey in the semi-arid Karoo region of South Africa, where it’s traditionally harvested, fermented, and dried using methods passed down for generations. That fermentation step matters: it’s what converts the plant’s raw alkaloids into the more bioavailable form that gives kanna its characteristic calming, mood-lifting effect. Modern producers still lean on this traditional process, then refine and standardize the extract so every batch delivers a consistent dose rather than a roll of the dice.
A THC seltzer uses a similarly light carbonated base, just with a different active ingredient doing the work.
Once standardized, that kanna extract gets formulated into a beverage base alongside other functional ingredients, flavorings, and carbonation, then dosed carefully so the effect stays gentle rather than overwhelming. This is the part that separates a well-made kanna drink from a supplement capsule with soda water dumped on top: the goal is a smooth, replicable experience, can after can, that actually matches what the traditional plant has offered people for centuries. It’s a surprisingly involved process for something that shows up on a shelf looking as simple as a seltzer.
Kanna’s path from a South African succulent to a chilled can on your counter isn’t a shortcut or a gimmick — it’s a genuine translation of a traditional botanical into a modern format, with real care taken to preserve what made the plant useful in the first place. The next time you crack one open, you’re getting the end result of a process that starts in the Karoo and ends with a drink built to make you feel something, on purpose. Give one a try and see what centuries of use actually feels like in a can.