This difference may vary from country to country, for example in USA Dietary supplements are regulated by the FDA as food, not as drugs.
Unless otherwise specified, Vyvo devices and related services are not medical devices and are not intended to diagnose, treat, cure, or prevent any disease. With regard to accuracy, Vyvo has developed products and services to track certain wellness information as accurately as reasonably possible. The accuracy of Vyvo’s products and services is not intended to be equivalent to medical devices or scientific measurement devices.
Consult your doctor before use if you have any pre-existing conditions that might be affected by your use of any Vyvo product or service.