Check your ketone levels while on your Dr. Atkins low carb diet. Low Carb dieters can depend on the Biosys Labs Uriscan Ketone test strips. Is your body burning fat? As used by hundreds of thousands of dieters, our ketone strips come in vials of 100 (3 months supply). The Uriscan Ketone strips are Made in the USA for dependability and quality. * Can pinpoint a problem for people who are not responding to (low carb, ketogenic) diet. * Serves as a motivational tool by showing tangible evidence of diet success.