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Welcome to ZeptoMetrix

Results you can trust

ZeptoMetrix is the most trusted global brand for innovative quality controls, assay development services, analytical reference materials, and proficiency testing.

ZeptoMetrix analytical reference materials

Analytical Reference Materials

For analytical testing needs, ZeptoMetrix offers a range of products, including certified reference materials, proficiency testing, reagents, and microbiology products.

ZeptoMetrix diagnostic quality control

Diagnostic QC

Our diagnostic products help you to help others. We have a wide range of diagnostic products including quality controls, immunoassay solutions, microorganisms, and many more.

Featured Products

ZeptoMetrix specializes in providing high quality diagnostic controls, reagents, and analytical reference materials. Whether you're looking for ZeptoMetrix controls or certified reference materials, we offer a comprehensive selection to meet your needs.

What Customers Are Saying

★★★★★

The Campbell Company

PT Food Microbiology: "The proficiency testing provided by NSI is a great tool to gauge the laboratory performance and accuracy. The samples provided by NSI are easy to use for technicians of all experience levels. We will continue to use NSI for all PT needs!"

- Adam Powell, Senior Corporate Microbiology Laboratories Manager

★★★★★

Cincinnati Children's Hospital Medical Center

NATtrol™ Respiratory: "We have used this product as a control for respiratory specimen testing for several years. It is easy to use and serves as both an assay control and to ensure that our instruments are performing equivalently and for all targets."

- unknown

★★★★★

Homestead Hospital Bapstist Health South Florida

NATtrol™ Respiratory: "Excellent products. Reliable company. This is the first company we go to when in need to buy quality control for our lab assays."

- unknown

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