Kallucha — Sparkling Fermented Coconut Water
Fermented for your gut.
Sparkling coconut water, made with prebiotics and postbiotics.
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Kallucha is our first line. The dry-blend line joins here when it launches — same card, new content.


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Original today. The grid holds more — future flavors drop straight in.
Why TenderBrew?
TenderBrew is grounded in fermentation science — thoughtfully formulated for real function. Great taste and gut health support, without the trade-off.

Made with real ingredients
What goes in, on purpose
Fermented and formulated to support your gut health — pasteurized for shelf stability, delivering prebiotics and postbiotics.
What's in Kallucha?Founder
From a scientist who grew up with the tradition
Dr. Saravanapriah Nadarajan is a veterinarian-turned-biomedical scientist with 15+ years in neuromuscular disease biology and biomarker research. She founded TenderBrew to turn real fermentation science into beverages people actually want to drink.
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