Is there a quality dried extract in the form of a tablet yet ?
Anything that has to be drunk that quickly to avoid your teeth turning brown personally I would rather just pop a pill.
There are capsules which have various probiotics in them. Now that this news has come out, I am sure they will soon have capsules advertising they have this particular one!
K9mbucha is made from half-strength tea, so it usually doesn’t affect one’s teeth as much. And people who make it at home can use green tea, reducing that effect even more.