Kalos

Kalos is a San Francisco-based personal training service that integrates advanced data science with fitness coaching to optimize health outcomes. By employing DEXA (Dual-Energy X-ray Absorptiometry) technology, Kalos delivers accurate assessments of body fat, muscle mass, and bone density, enabling the design of personalized exercise and nutrition plans. Each 30-minute session includes a comprehensive DEXA scan, an in-depth review of results with a certified personal trainer, and a tailored four-week exercise and nutrition program. Clients also gain access to an in-house app for nutrition journaling, exercise tracking, and continuous trainer support. Founded by Harvard-trained data scientists and NASM-certified personal trainers, Kalos is committed to providing precise, individualized fitness solutions. Their office is conveniently located at 98 Battery Street in downtown San Francisco.