MX3 Diagnostics

MX3 Diagnostics is a private digital health and diagnostics company commercializing portable saliva-based hydration testing and related biomarker analytics. Its core product, the MX3 Hydration Testing System, combines a handheld device, single-use electrochemical test strips, software, and cloud reporting to measure salivary osmolarity in real time outside the laboratory. The company also offers sweat-based sodium testing and software tools aimed at hydration management, heat stress prevention, and performance optimization. MX3 primarily serves sports, military, workplace safety, and other field-based settings where rapid point-of-care assessment is valuable. The company positions its technology as a clinically validated, lab-grade, non-invasive testing platform that can expand to additional saliva-based diagnostics over time.