SiPhox, Inc.

SiPhox Health is a Burlington, Massachusetts-based health diagnostics company specializing in silicon photonic biosensor technology for at-home blood testing and biomarker analysis. Founded in 2020 and backed by Y Combinator, Khosla Ventures, and Intel Capital, the company has delivered over 300,000 biomarker test results. SiPhox's proprietary EasyDraw kit enables painless upper-arm blood collection without needles or lab visits, with samples processed at CLIA-certified labs. The platform analyzes up to 60 biomarkers across cardiovascular, metabolic, hormonal, thyroid, liver, kidney, inflammation, and nutritional health. Beyond testing, SiPhox provides a centralized health dashboard with wearable integration (Apple Watch, Oura Ring, Fitbit), personalized supplement recommendations, lifestyle coaching, telehealth support, and an AI assistant (Sai) for result interpretation. The company targets chronic disease prevention and health optimization through evidence-based biomarker tracking and actionable insights.