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Home Cooking

Any kombucha home-brewers? Wondering about supplementing w/ B-vitamins

CookingChemicalEngineer | Oct 28, 201912:35 PM     9

Hi all. Any home kombucha brewers ever try spiking it with B-complex vitamins?

I used to make kombucha with my kids a couple of years ago but we sort of fell off the wagon and the donated scoby died. We decided to give it another go so we started growing a new scoby late last week and it's beginning to form on top; I figure it's got at least another week (it's a bit cool in my pantry).

Kombucha generally has 20-ish percent of several B vitamins, including 12, although it seems most brands have stopped listing B vitamins on the label. One daughter was tested and found deficient in several B-vitamins and likes kombucha, and doesn't like B-complex tabs which hurt her stomach. And I found one brand that says it's fortified with B12 at several hundred percent RDA and my daughter likes it too, but it's close to $5 a bottle, and anyway it is not specifically fortified with other B vitamins.

So I wondered if I could start making B-complex supplemented kombucha myself to boost each bottle to at least 100% RDA in B vitamins.

Has anyone ever tinkered with this, or any other vitamin fortification in kombucha? I was thinking about dissolving B-complex tabs in the warm tea prior to the first fermentation, but wondered if the vitamins might somehow screw up the scoby. Or alternatively first warm any flavoring/juice I was going to use and try to dissolve the vitamin it that just ahead of the second fermentation. I've tested a B-complex tab in hot water and also in acidified (added vinegar) water and was left with a insoluble haze of fine particles. I'm hoping that is filler stuff like cellulosic material rather than undissolved vitamins (all B-vitamins reputedly being water soluble).

Thanks for any thoughts!

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