Strange Brew: Uncover the Mysteries of Kombucha Tea

A sour concoction with live cultures floating on top sounds like something you'd throw away if you found it under your sink. And yet the tart, fizzy, fermented tea called kombucha is both an ancient tonic and the latest health craze. 

Kombucha, made from either black, white, or green tea, sugar, and a symbiotic culture of bacteria and yeast (SCOBY), is having a renaissance. According to Gary Hemphill, managing director at Beverage Marketing Corporation, U.S. sales of bottled kombucha doubled from 2007 to 2008, to roughly $70 million (wholesale).

Make Your Own Kombucha

Scan the beverage aisle at your local grocery store and you'll be surprised to find a range of brands peddling the brew: GT's Kombucha, Red Bull's Carpe Diem, Celestial Seasonings, and Honest Tea, as well as indie labels like Kombucha Brooklyn and Kombucha Wonder Drink. Some mad-scientist types are taking a more grassroots approach by reviving the hippie practice of home-brewing.

Homegrown Healer?
Kombucha has a long history, starting in second-century China, where it's thought to have first been made. It reportedly then traveled across Asia, Eastern Europe, and Russia, where it's still an everyday beverage called chainyi grib ("tea mushroom").

The tonic has many converts, like Christine Petrozzo, 24, who's been drinking kombucha for three years. 

"It's amazing," she says. "When I drink it, I feel relaxed and energized at the same time." As she began regularly consuming the tea, she noticed other benefits: improved digestion and clearer skin.

Before he cofounded Kombucha Brooklyn, Eric Childs, 24, drank the tea to cope with his high-stress job at a Manhattan art gallery. 

"Heartburn had been a daily thing for me," Childs says. "I kept Pepto-Bismol in my bag." One day, his boss brought a bottle of kombucha to work; Childs gave it a try. "All of a sudden I started feeling better," he says. "I stopped getting heartburn. My acne went away, and I was happier."

While lab studies have shown that kombucha contains a blend of probiotics, B vitamins, enzymes, and various organic acids, very little research has been done on the drink's benefits. 

Stomach Soother, Energy Booster
Gastrointestinal issues are the problem that kombucha seems to help with the most, possibly due to the healthy bacteria created by the fermentation process, which support immune function and digestion, notes Denver-based naturopathic doctor Courtney Jackson. 

She adds that B vitamins give kombucha a big part of its functional punch. "B vitamins are intimately involved in metabolism, mood, the liver's detoxification pathways, skin and hair structure, and energy production."

Jennifer Adler, a certified nutritionist and professor of nutrition at Bastyr University in Seattle, is a fan of all kinds of fermented foods (such as yogurt, kefir, sauerkraut, and kimchi) precisely because of their high levels of probiotics, live enzymes, and B vitamins. She encourages her patients who suffer from digestive issues, heartburn, and acid reflux to try one cup of kombucha per day with meals. 

For those who get a midday energy slump, Adler says, kombucha may help. "B vitamins give people a bit of pep, and the healthy bacteria keep sugar cravings down," she explains.

The Daily Dosage
Check with your doctor before you start chugging the stuff, and keep in mind that kombucha advocates advise beginning with six to eight ounces a day, then seeing how you feel. It is relatively acidic, so consuming too much can, ironically, cause heartburn and could, for some, have a laxative effect. 

Twelve ounces also contain a trace amount of alcohol, caffeine (20 to 24 mg, compared with up to 160 mg in coffee), and about 4 grams of sugar. 

Naturopathic doctor Garrett Wdowin, founder of an integrative health center in Arizona, personally finds kombucha to be a bit sour but doesn't discourage his patients from giving it a shot. "The increased intake of vitamins is hard to ever see as a bad thing."

Kombucha to Go
Most bottled versions are 100 percent kombucha or are flavored with fruit. Try these brands, available nationwide, or try making your own


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