Packed full of natural B vitamins for an energy boost. B Vitamins in Kombucha are produced when the yeast break down the sugars during fermentation. The B Vitamins in Kombucha, although found in relatively small amounts, are thought to be more bio-available, meaning more readily absorbed and used by the human body.
References
Villarreal soto, Silvia alejandra et al, Understanding Kombucha Tea Fermentation: A Review, (2018) Journal of Food Science, 83 (3). 580-588