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Hydration just got personal with a new generation of sweat sensor for athletes.
The FLOWBIO Sensor is a fully reusable sweat sensor that tracks how much sodium and fluid an athlete loses — in real time, every session. It’s like a WHOOP, but focused on hydration data.
Session intensity, your fitness, the climate, the season — hydration needs aren’t one-size-fits-all. Until now, no product has personalised it in this way.
The FLOWBIO Sensor & App provides clear, personalised insights that tell you what to drink, when to drink it, and why. It’s your sweat, decoded into simple guidance so you can stay on top of your hydration strategy.
As a UK stockist of FLOWBIO, learn more about the product at Healf.
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FLOWBIO is a sweat-sensing brand for athletes, built around a reusable sensor that tracks how much fluid and sodium you lose while training, in real time. Powered by its AHi (Advanced Hydration Intelligence) technology, the paired app turns that sweat data into personalised hydration advice rather than one-size-fits-all guidance. Healf is a UK stockist of FLOWBIO.
You attach the FLOWBIO Sensor to your existing chest or arm heart rate monitor before a session. As you train, it captures sweat through a tiny channel, with no needle, and measures your sweat rate and sodium concentration in real time. After the session, the data syncs to the FLOWBIO app for personalised hydration insights.
The FLOWBIO Sensor measures two things in real time: your sweat rate, meaning how much fluid you lose, and your sodium concentration, meaning how much salt you lose. The FLOWBIO app then uses this data to tell you what to drink, when and why, tailored to your body, the session and the conditions rather than generic advice.
Yes. The FLOWBIO Sensor is fully reusable, designed to be worn session after session rather than thrown away like single-use sweat patches. It has a battery life of over 100 hours and recharges with a USB-C cable, so it's ready whenever you train. Just reattach it to your heart rate monitor for your next session.