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 ...

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