KETONIX is a reusable class I medical device that indicates ketones in your breath. Simply plug into your computer or smart-phone or (supports android and i-phone).
This enables you to measure throughout the day with no extra costs or blood samples. By knowing your ketosis you know what diet and lifestyle changes support fat-burning.

The KETONIX software enables you to log and analyze your measures over  time, then let you to make lifestyle changes based upon what works for you!