Cirkul has built a devoted following by turning hydration into something customizable -- letting users control the intensity of their flavor with drop-in flavor packets and a simple dial that releases ...

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It’s no secret that water is good for you. It is essential for life, and we can’t survive without it. But we can all agree that the flavor — or lack of — can get boring. Who wants to drink water when ...

Cirkul, which makes a TikTok-famous water bottle, is now valued at $1 billion. The brand makes inexpensive flavor cartridges that get inserted into a proprietary water bottle. Cirkul has tapped into ...

Cirkul water bottles are all the rage, and if you typically have a hard time trying to trick your brain into enjoying plain ...