Zona Health, Inc.

Zona Health manufactures the Zona Plus Series 3, a handheld, software-controlled biofeedback device that uses isometric exercise science to improve cardiovascular fitness, muscle stability, and grip strength. The device automatically calibrates each session by measuring daily maximum voluntary contraction, requiring only 12 minutes per day of use from home. It is rated the #1 isometric exercise device with over 50,000 active users and 15+ years in business. The Zona Plus stores usage and performance data internally for over one year and connects via USB to the "My Zona Health" online portal for progress tracking. All users receive unlimited 24/7 access to a Zona Heart Health Coach, two lifetime memberships to My Zona Health, and one-year warranty. The device integrates with third-party health platforms (e.g., Heads Up Health) to consolidate cardiovascular metrics alongside other health data. Marketing emphasizes joint-safe exercise due to lack of joint movement during isometric contractions, appeal to those with chronic joint pain, and de-stressing benefits compared to traditional concentric/eccentric exercise. The company supports FSA/HSA purchases and offers a 90-day risk-free trial. Regulatory status and specific FDA/510(k) clearance not explicitly stated on fetched pages.