The nonprofit product research group Consumer Reports advises against drinking it because of the risk of contamination and little proof of benefits. But the FDA says kombucha is safe when properly prepared. If you're making it at home, experts recommend using glass, stainless steel, or plastic containers.

Can brewing kombucha make you sick?

When taken by mouth: Kombucha is POSSIBLY SAFE for most adults. Kombucha has been reported to cause some side effects, including stomach problems, yeast infections, allergic reactions, yellow skin (jaundice), nausea, vomiting, and death.

Is the carbonation in kombucha bad for you?

For these reasons, some people may experience bloating, gas and diarrhea if they consume too much kombucha. Summary Kombucha is carbonated, can be high in sugar and contains FODMAPs, which may cause digestive upset in some people.