ZeptoMetrix NATtrol is the most trusted brand in third-party molecular diagnostic QC for GI controls and panels, including Adenovirus, E. coli, Norovirus, Rotavirus, C. diff, and others. Utilizing NATtrol controls on a consistent basis helps monitor test performance and provides increased confidence in the quality and reliability of your clinical laboratory operations. Our controls and panels are refrigerated, ready-to-use, and formulated with purified, intact organisms that mimic a true clinical specimen.