Because the LEVL device measures low levels of ketones as the body transitions to elevated fat metabolism, it can be used with any prescribed weight loss program. Blood and urine tests were developed to identify ketoacidosis and are not sensitive to lower levels of ketones that are indicative of fat loss. Based on the scientific data, a measurement of 2.0 Parts Per Million (PPM) equates to 0.5 pounds of body fat burned per week (if this level is maintained throughout the week).* Visit our blog to learn more about the patient journey.