Too many athletes are still guessing their hydration needs on race day — leading to cramps, fatigue, or hitting the wall too soon. The Nix Hydration Biosensor eliminates that guesswork with scientifically validated, real-time sweat analysis including fluid and electrolyte losses and delivering personalized hydration recommendations to optimize performance when it matters most.

Too many athletes are still guessing their hydration needs on race day — leading to cramps, fatigue, or hitting the wall too soon. The Nix Hydration Biosensor eliminates that guesswork with scientifically validated, real-time sweat analysis including fluid and electrolyte losses and delivering personalized hydration recommendations to optimize performance when it matters most.

Nix Hydration Biosensor

No more trial and error to identify your optimal hydration strategy. Our revolutionary hydration biosensor, paired with the Nix Solo app, 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.

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© 2025 RunConcierge. All Rights Reserved.