A sudden spike in demand for fermented health products like kombucha and kimchi has appeared as the behavioural side effects of the pandemic and the lockdowns it spawnedA sudden spike in demand for fermented health products like kombucha and kimchi has appeared as the behavioural side effects of the pandemic and the lockdowns it spawned Kimchi, kombucha demand on rise amid buyer's lockdown craze for fermented food | Hindustan Times