Kombucha contains probiotics, antioxidants, and organic acids that may support gut health, immunity, and more. Most research is early stage, but it's a promising addition to a balanced diet.
Cancer is one of the world's leading causes of death, and researchers have looked at whether kombucha's compounds might play a role in prevention. Lab studies suggest that tea polyphenols may inhibit the growth of certain cancer cells, and glucaric acid has shown some anti-cancer activity in early research. These findings are promising but have not been tested in humans. Kombucha is not a cancer treatment or preventive measure, and should not be treated as one.

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