Non-Invasive Lactate Sensor: PointFit PF-Sweat Patch PointFit's PF-Sweat Patch is the first wearable to offer continuous, non-invasive lactate monitoring through sweat. Built on a patented nanomembrane, it reads exercise intensity in real time without a...

Lactate monitoring without a finger prick. PointFit's PF-Sweat Patch reads lactate continuously from sweat in real time — the first consumer wearable to attempt this. Currently in beta. Full breakdown: the5krunner.com/2026/02/26/n... #Endurance #PointFit #LactateThreshold #SportsScience