The fermented tea is full of healthy compounds, but the research on its benefits is limited. Gabriela Fraiz, a doctoral student in Brazil, said she has noticed improvements in her gut health since she started drinking a little kombucha with her lunch. She’s less bloated and gassy, she said, and she’s been more regular. She also loves the “fizzy, slightly citrusy and sweet” taste of the fermented tea, which she brews herself. On social media, posts about kombucha’s health benefits go much