« Before you test
You know you sweat a lot, but you do not know what it means. You drink sports drinks without knowing which ones actually help or how much you need. In the heat, things fall apart. Cramps creep in. Training feels harder than it should.
After you test »
You know exactly how much sodium you lose in every litre of sweat. That number is personal and it rarely changes. With that clarity, you build a hydration strategy that fits you. Training quality improves. The risk of cramping drops. And race day feels more controlled.