No more trial and error to identify your optimal hydration strategy. The revolutionary hydration biosensor platform quantifies fluid and electrolyte losses moment-by-moment and sends notifications to your phone, watch, or bike computer to tell you exactly when, what and how much to drink. So you can focus on what really matters - your workout.

Scientific: Evaluates the biomarkers in your sweat, like a portable lab without the needles.

Personalized: Analyzes your sweat moment to moment, not a generic calculation.

Actionable: Quantifies when, what, and how much to drink in real-time during your workout.

Convenient: Integrates with your phone, watch, or bike computer. Lightweight and easy to use.

The test in performed in conjunction with either a lactate threshold test or another form of threshold testing to help dial in your hydration and electrolyte needs for both training and racing.