I noticed the label *after* I shook the daylights out of a bottle yesterday. Care to know what'll happen if you *do* shake it? Hissing. Popping. The feel of a lift from under the lid when you remove it. Foam. Foam. Foam. Foam. Foam. Foam. Foam. More foam. And in the case of this particular version, green foam, because it contains all manner of goodness like spirulina and such. Once I had consumed about half of it, and after I had read the label, I unwittingly swirled the bottle all around before taking the lid off to have a sip - - and it went THOOOONSHHHHHHHH the second I unscrewed the lid. And I jumped.
Don't shake the damned kombucha, y'all. Just don't.